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QC47 Personal history of diseases of the nervous system or sense organs International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01 exclusions postcoordination Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Associated with - multiple selections are allowed [select] 8A00 Parkinsonism – 8A00.0 Parkinson disease – 8A00.1 Atypical parkinsonism – 8A00.2 Secondary parkinsonism – 8A00.3 Functional parkinsonism – 8A00.Y Other specified parkinsonism – 8A00.Z Parkinsonism, unspecified –– 8A00.00 Sporadic Parkinson disease –– 8A00.01 Familial Parkinson disease –– 8A00.0Y Other specified Parkinson disease –– 8A00.0Z Parkinson disease, unspecified –– 8A00.10 Progressive supranuclear palsy –– 8A00.1Y Other specified atypical parkinsonism –– 8A00.1Z Atypical parkinsonism, unspecified –– 8A00.20 Parkinsonism due to heredodegenerative disorders –– 8A00.21 Hemiparkinsonism hemiatrophy syndrome –– 8A00.22 Infectious or postinfectious parkinsonism –– 8A00.23 Vascular parkinsonism –– 8A00.24 Drug-induced parkinsonism –– 8A00.25 Post traumatic Parkinsonism –– 8A00.26 Parkinsonism due to structural lesions –– 8A00.2Y Other specified secondary parkinsonism –– 8A00.2Z Secondary parkinsonism, unspecified 8A01 Choreiform disorders – 8A01.0 Benign hereditary chorea – 8A01.1 Secondary Chorea – 8A01.2 Hemichorea or hemiballismus – 8A01.Y Other specified choreiform disorders – 8A01.Z Choreiform disorders, unspecified –– 8A01.10 Huntington disease –– 8A01.11 Chorea due to Huntington disease-like conditions –– 8A01.12 Chorea due to Dentatorubral pallidoluysian atrophy –– 8A01.13 Chorea due to Wilson disease –– 8A01.14 Chorea due to infectious or para-infectious causes –– 8A01.15 Chorea due to systemic lupus erythematosus –– 8A01.16 Drug-induced chorea –– 8A01.1Y Other specified secondary chorea –– 8A01.1Z Secondary chorea, unspecified –– 8A01.20 Hemichorea –– 8A01.21 Ballism –– 8A01.22 Hemiballism –– 8A01.2Y Other specified hemichorea or hemiballismus –– 8A01.2Z Hemichorea or hemiballismus, unspecified 8A02 Dystonic disorders – 8A02.0 Primary dystonia – 8A02.1 Secondary dystonia – 8A02.2 Paroxysmal dystonia – 8A02.3 Functional dystonia or spasms – 8A02.Y Other specified dystonic disorders – 8A02.Z Dystonic disorders, unspecified –– 8A02.00 Benign essential blepharospasm –– 8A02.0Y Other specified primary dystonia –– 8A02.0Z Primary dystonia, unspecified –– 8A02.10 Drug-induced dystonia –– 8A02.11 Dystonia-plus –– 8A02.12 Dystonia associated with heredodegenerative disorders –– 8A02.1Y Other specified secondary dystonia –– 8A02.1Z Secondary dystonia, unspecified 8A03 Ataxic disorders – 8A03.0 Congenital ataxia – 8A03.1 Hereditary ataxia – 8A03.2 Non-hereditary degenerative ataxia – 8A03.3 Acquired ataxia – 8A03.Y Other specified ataxic disorders – 8A03.Z Ataxic disorders, unspecified –– 8A03.10 Friedreich ataxia –– 8A03.11 Ataxia due to Cerebrotendinous xanthomatosis –– 8A03.12 Ataxia due to Refsum disease –– 8A03.13 Ataxia due to abetalipoproteinemia –– 8A03.14 Hereditary episodic ataxia –– 8A03.15 Ataxia due to mitochondrial mutations –– 8A03.16 Spinocerebellar ataxia –– 8A03.1Y Other specified hereditary ataxia –– 8A03.1Z Hereditary ataxia, unspecified –– 8A03.20 Late onset cerebellar cortical atrophy –– 8A03.2Y Other specified non-hereditary degenerative ataxia –– 8A03.2Z Non-hereditary degenerative ataxia, unspecified –– 8A03.30 Ataxia due to alcoholic cerebellar degeneration –– 8A03.3Y Other specified acquired ataxia –– 8A03.3Z Acquired ataxia, unspecified 8A04 Disorders associated with tremor – 8A04.0 Enhanced physiological tremor – 8A04.1 Essential tremor or related tremors – 8A04.2 Rest tremor – 8A04.3 Secondary tremor – 8A04.4 Functional tremor – 8A04.Y Other specified disorders associated with tremor – 8A04.Z Disorders associated with tremor, unspecified –– 8A04.30 Tremor due to metabolic disorders –– 8A04.31 Tremor due to chronic or acute substance use –– 8A04.32 Tremor due to drug withdrawal –– 8A04.33 Tremor due to certain specified central nervous system diseases –– 8A04.3Y Other specified secondary tremor –– 8A04.3Z Secondary tremor, unspecified 8A05 Tic disorders – 8A05.0 Primary tics or tic disorders – 8A05.1 Secondary tics – 8A05.Y Other specified tic disorders – 8A05.Z Tic disorders, unspecified –– 8A05.00 Tourette syndrome –– 8A05.01 Chronic motor tic disorder –– 8A05.02 Chronic phonic tic disorder –– 8A05.03 Transient motor tics –– 8A05.0Y Other specified primary tics or tic disorders –– 8A05.0Z Primary tics or tic disorders, unspecified –– 8A05.10 Infectious or postinfectious tics –– 8A05.11 Tics associated with developmental disorders –– 8A05.1Y Other specified secondary tics –– 8A05.1Z Secondary tics, unspecified 8A06 Myoclonic disorders – 8A06.0 Essential myoclonus – 8A06.1 Segmental myoclonus – 8A06.2 Focal myoclonus – 8A06.Y Other specified myoclonic disorders – 8A06.Z Myoclonic disorders, unspecified –– 8A06.20 Palatal myoclonus –– 8A06.21 Chronic hiccups –– 8A06.2Y Other specified focal myoclonus –– 8A06.2Z Focal myoclonus, unspecified 8A07 Certain specified movement disorder – 8A07.0 Stereotypies – 8A07.1 Akathisia – 8A07.2 Excessive startle reflex –– 8A07.00 Primary stereotypy –– 8A07.01 Secondary stereotypy –– 8A07.0Y Other specified stereotypies –– 8A07.0Z Stereotypies, unspecified 8A0Y Other specified movement disorders 8A0Z Movement disorders, unspecified 8A20 Alzheimer disease 8A21 Progressive focal atrophies – 8A21.0 Posterior cortical atrophy – 8A21.Y Other specified progressive focal atrophies – 8A21.Z Progressive focal atrophies, unspecified 8A22 Lewy body disease 8A23 Frontotemporal lobar degeneration 8A2Y Other specified disorders with neurocognitive impairment as a major feature 8A2Z Disorders with neurocognitive impairment as a major feature, unspecified 8A40 Multiple sclerosis – 8A40.0 Relapsing-remitting multiple sclerosis – 8A40.1 Primary progressive multiple sclerosis – 8A40.2 Secondary progressive multiple sclerosis – 8A40.Y Other specified multiple sclerosis – 8A40.Z Multiple sclerosis, unspecified 8A41 Isolated demyelinating syndromes of the central nervous system – 8A41.0 Transverse myelitis – 8A41.1 Neuromyelitis optica myelin oligodendrocyte glycoprotein antibody-positive – 8A41.Y Other specified isolated demyelinating syndromes of the central nervous system – 8A41.Z Isolated demyelinating syndromes of the central nervous system, unspecified 8A42 Acute disseminated encephalomyelitis – 8A42.0 Acute haemorrhagic leukoencephalitis – 8A42.Y Other specified acute disseminated encephalomyelitis – 8A42.Z Acute disseminated encephalomyelitis, unspecified 8A43 Neuromyelitis optica – 8A43.0 Neuromyelitis optica aquaporin-4 antibody positive – 8A43.1 Neuromyelitis optica aquaporin-4 antibody negative – 8A43.2 Single transverse myelitis aquaporin-4 antibody positive – 8A43.3 Recurrent transverse myelitis aquaporin-4 antibody positive – 8A43.4 Single optic neuritis aquaporin-4 antibody positive – 8A43.5 Recurrent optic neuritis aquaporin-4 antibody positive – 8A43.Y Other specified neuromyelitis optica – 8A43.Z Neuromyelitis optica, unspecified 8A44 Leukodystrophies – 8A44.0 Pelizaeus-Merzbacher disease – 8A44.1 Adrenoleukodystrophy – 8A44.2 Alexander disease – 8A44.3 Certain specified leukodystrophies – 8A44.4 Krabbe disease – 8A44.Z Leukodystrophies, unspecified 8A45 Secondary white matter disorders – 8A45.0 White matter disorders due to infections – 8A45.1 White matter disorders due to toxicity – 8A45.2 White matter disorders due to vascular abnormality or ischemia – 8A45.3 White matter disorders due to nutritional deficiency – 8A45.4 White matter disorders due to certain specified systemic disease – 8A45.Y Other specified secondary white matter disorders – 8A45.Z Secondary white matter disorders, unspecified –– 8A45.00 Human T-cell lymphotropic virus-associated myelopathy –– 8A45.01 Subacute sclerosing panencephalitis –– 8A45.02 Progressive multifocal leukoencephalopathy –– 8A45.0Y Other specified white matter disorders due to infections –– 8A45.0Z White matter disorders due to infections, unspecified –– 8A45.20 White matter disorder due to CADASIL –– 8A45.21 Subacute necrotising myelitis –– 8A45.2Y Other specified white matter disorders due to vascular abnormality or ischemia –– 8A45.2Z White matter disorders due to vascular abnormality or ischemia, unspecified –– 8A45.30 White matter disorder due to vitamin B12 deficiency –– 8A45.31 Central pontine myelinolysis –– 8A45.3Y Other specified white matter disorders due to nutritional deficiency –– 8A45.3Z White matter disorders due to nutritional deficiency, unspecified –– 8A45.40 Demyelination due to sarcoidosis –– 8A45.41 Demyelination due to systemic lupus erythematosus –– 8A45.42 Demyelination due to Sjögren disease –– 8A45.43 Demyelination due to Behcet disease –– 8A45.44 Demyelination due to systemic vasculitis –– 8A45.45 Demyelination due to mitochondrial disease –– 8A45.4Z White matter disorders due to certain specified systemic disease, unspecified 8A46 Central demyelination of corpus callosum 8A4Y Other specified multiple sclerosis or other white matter disorders 8A4Z Multiple sclerosis or other white matter disorders, unspecified 8A60 Epilepsy due to structural or metabolic conditions or diseases – 8A60.0 Epilepsy due to prenatal or perinatal brain insults – 8A60.1 Epilepsy due to cerebrovascular disorders – 8A60.2 Epilepsy due to degenerative brain disorders – 8A60.3 Epilepsy due to dementias – 8A60.4 Epilepsy due to central nervous system infections or infestations – 8A60.5 Epilepsy due to injuries to the head – 8A60.6 Epilepsy due to tumours of the nervous system – 8A60.7 Epilepsy with mesial temporal sclerosis – 8A60.8 Epilepsy due to immune disorders – 8A60.9 Epilepsy due to abnormalities of brain development – 8A60.A Epilepsy due to genetic syndromes with widespread or progressive effects – 8A60.B Epilepsy due to multiple sclerosis or other demyelinating disorders – 8A60.Y Epilepsy due to other structural or metabolic condition or disease – 8A60.Z Epilepsy due to unspecified structural or metabolic condition or disease –– 8A60.00 Epilepsy due to prenatal or perinatal vascular insults –– 8A60.01 Epilepsy due to neonatal hypoxic ischemic encephalopathy –– 8A60.0Y Epilepsy due to other prenatal or perinatal brain insults –– 8A60.0Z Epilepsy due to unspecified prenatal or perinatal brain insults 8A61 Genetic or presumed genetic syndromes primarily expressed as epilepsy – 8A61.0 Genetic epileptic syndromes with neonatal onset – 8A61.1 Genetic epileptic syndromes with onset in infancy – 8A61.2 Genetic epileptic syndromes with childhood onset – 8A61.3 Genetic epileptic syndrome with adolescent or adult onset – 8A61.4 Genetic epileptic syndromes with variable age of onset – 8A61.Y Other specified genetic or presumed genetic syndromes primarily expressed as epilepsy – 8A61.Z Genetic or presumed genetic syndromes primarily expressed as epilepsy, unspecified –– 8A61.00 Pyridoxal dependent epilepsy –– 8A61.0Y Other specified genetic epileptic syndromes with neonatal onset –– 8A61.0Z Genetic epileptic syndromes with neonatal onset, unspecified –– 8A61.10 Benign familial infantile epilepsy –– 8A61.11 Dravet syndrome –– 8A61.12 Epilepsy of infancy with migrating focal seizures –– 8A61.1Y Other specified genetic epileptic syndromes with onset in infancy –– 8A61.1Z Genetic epileptic syndromes with onset in infancy, unspecified –– 8A61.20 Benign childhood epilepsy with centro-temporal spikes –– 8A61.21 Childhood absence epilepsy –– 8A61.22 Epilepsy with myoclonic-astatic seizures –– 8A61.23 Myoclonic absences or absences with myoclonias –– 8A61.2Y Other specified genetic epileptic syndromes with childhood onset –– 8A61.2Z Genetic epileptic syndromes with childhood onset, unspecified –– 8A61.30 Juvenile myoclonic epilepsy –– 8A61.31 Juvenile absence epilepsy –– 8A61.32 Benign adult familial myoclonus epilepsy –– 8A61.3Y Other specified genetic epileptic syndrome with adolescent or adult onset –– 8A61.3Z Genetic epileptic syndrome with adolescent or adult onset, unspecified –– 8A61.40 Reflex epilepsies –– 8A61.41 Progressive myoclonic epilepsy –– 8A61.4Y Other specified genetic epileptic syndromes with variable age of onset –– 8A61.4Z Genetic epileptic syndromes with variable age of onset, unspecified 8A62 Epileptic encephalopathies – 8A62.0 Infantile spasms – 8A62.1 Lennox-Gastaut syndrome – 8A62.2 Acquired epileptic aphasia – 8A62.Y Other specified epileptic encephalopathies – 8A62.Z Epileptic encephalopathies, unspecified 8A63 Seizure due to acute causes – 8A63.0 Febrile seizures – 8A63.Y Seizure due to other acute cause – 8A63.Z Seizure due to unspecified acute cause –– 8A63.00 Simple febrile seizures –– 8A63.01 Complex febrile seizures –– 8A63.0Y Other specified febrile seizures –– 8A63.0Z Febrile seizures, unspecified 8A64 Single seizure due to remote causes 8A65 Single unprovoked seizure 8A66 Status epilepticus – 8A66.0 Convulsive status epilepticus – 8A66.1 Non-convulsive status epilepticus – 8A66.Y Other specified status epilepticus – 8A66.Z Status epilepticus, unspecified –– 8A66.10 Absence status epilepticus –– 8A66.1Y Other specified non-convulsive status epilepticus –– 8A66.1Z Non-convulsive status epilepticus, unspecified 8A67 Acute repetitive seizures 8A68 Types of seizures – 8A68.0 Focal unaware seizure – 8A68.1 Absence seizures, atypical – 8A68.2 Absence seizures, typical – 8A68.3 Focal aware seizure – 8A68.4 Generalised tonic-clonic seizure – 8A68.5 Generalised myoclonic seizure – 8A68.6 Generalised tonic seizure – 8A68.7 Generalised atonic seizure – 8A68.Y Other specified type of seizure – 8A68.Z Type of seizure, unspecified 8A6Y Other specified epilepsy or seizures 8A6Z Epilepsy or seizures, unspecified 8A80 Migraine – 8A80.0 Migraine without aura – 8A80.1 Migraine with aura – 8A80.2 Chronic migraine – 8A80.3 Complications related to migraine – 8A80.4 Cyclic vomiting syndrome – 8A80.Y Other specified migraine – 8A80.Z Migraine, unspecified –– 8A80.10 Hemiplegic migraine –– 8A80.1Y Other specified migraine with aura –– 8A80.1Z Migraine with aura, unspecified –– 8A80.30 Status migrainosus –– 8A80.3Y Other specified complications related to migraine 8A81 Tension-type headache – 8A81.0 Infrequent episodic tension-type headache – 8A81.1 Frequent episodic tension-type headache – 8A81.2 Chronic tension-type headache – 8A81.Y Other specified tension-type headache – 8A81.Z Tension-type headache, unspecified 8A82 Trigeminal autonomic cephalalgias 8A83 Other primary headache disorder 8A84 Secondary headache – 8A84.0 Acute headache associated with traumatic injury to the head – 8A84.1 Persistent headache associated with traumatic injury to the head – 8A84.Y Other specified secondary headache – 8A84.Z Secondary headache, unspecified 8A85 Painful cranial neuropathies or other facial pains 8A8Y Other specified headache disorders 8A8Z Headache disorders, unspecified – 8B00 Intracerebral haemorrhage –– 8B00.0 Deep hemispheric haemorrhage –– 8B00.1 Lobar haemorrhage –– 8B00.2 Brainstem haemorrhage –– 8B00.3 Cerebellar haemorrhage –– 8B00.4 Intraventricular haemorrhage without parenchymal haemorrhage –– 8B00.5 Haemorrhage of multiple sites –– 8B00.Z Intracerebral haemorrhage, site unspecified – 8B01 Subarachnoid haemorrhage –– 8B01.0 Aneurysmal subarachnoid haemorrhage –– 8B01.1 Non-aneurysmal subarachnoid haemorrhage –– 8B01.2 Subarachnoid haemorrhage not known if aneurysmal or non-aneurysmal – 8B02 Nontraumatic subdural haemorrhage – 8B03 Nontraumatic epidural haemorrhage – 8B0Z Intracranial haemorrhage, unspecified – 8B10 Transient ischaemic attack –– 8B10.0 Amaurosis fugax –– 8B10.Y Other specified transient ischaemic attack –– 8B10.Z Transient ischaemic attack, unspecified – 8B11 Cerebral ischaemic stroke –– 8B11.0 Cerebral ischaemic stroke due to extracranial large artery atherosclerosis –– 8B11.1 Cerebral ischaemic stroke due to intracranial large artery atherosclerosis –– 8B11.2 Cerebral ischaemic stroke due to embolic occlusion –– 8B11.3 Cerebral ischaemic stroke due to small artery occlusion –– 8B11.4 Cerebral ischaemic stroke due to other known cause –– 8B11.5 Cerebral ischaemic stroke of unknown cause ––– 8B11.20 Cerebral ischaemic stroke due to cardiac embolism ––– 8B11.21 Cerebral ischaemic stroke due to aortic arch embolism ––– 8B11.22 Cerebral ischaemic stroke due to paradoxical embolism ––– 8B11.2Y Cerebral ischaemic stroke due to other specified embolic occlusion ––– 8B11.2Z Cerebral ischaemic stroke due to embolic occlusion, unspecified ––– 8B11.40 Cerebral ischaemic stroke due to global hypoperfusion with watershed infarct ––– 8B11.41 Cerebral ischaemic stroke due to other non-atherosclerotic arteriopathy ––– 8B11.42 Cerebral ischaemic stroke due to hypercoagulable state ––– 8B11.43 Cerebral ischaemic stroke in association with subarachnoid haemorrhage ––– 8B11.44 Cerebral ischemic stroke from dissection ––– 8B11.50 Cerebral ischaemic stroke due to unspecified occlusion or stenosis of extracranial large artery ––– 8B11.51 Cerebral ischaemic stroke due to unspecified occlusion or stenosis of intracranial large artery ––– 8B11.5Z Cerebral ischaemic stroke, unspecified – 8B1Y Other specified cerebral ischaemia – 8B1Z Cerebral ischaemia, unspecified 8B20 Stroke not known if ischaemic or haemorrhagic 8B21 Cerebrovascular disease with no acute cerebral symptom – 8B21.0 Silent cerebral infarct – 8B21.1 Silent cerebral microbleed – 8B21.Y Other specified cerebrovascular disease with no acute cerebral symptom – 8B21.Z Cerebrovascular disease with no acute cerebral symptom, unspecified 8B22 Certain specified cerebrovascular diseases – 8B22.0 Dissection of cerebral arteries – 8B22.1 Cerebral venous thrombosis – 8B22.2 Cerebral vasoconstriction syndromes – 8B22.3 Isolated cerebral amyloid angiopathy – 8B22.4 Intracranial vascular malformation – 8B22.5 Cerebral aneurysm, nonruptured – 8B22.6 Familial cerebral saccular aneurysm – 8B22.7 Cerebral arteritis, not elsewhere classified – 8B22.8 Hypertensive encephalopathy – 8B22.9 Migraine-induced stroke – 8B22.A Subclavian steal syndrome – 8B22.B Moyamoya syndrome – 8B22.C Hereditary cerebrovascular diseases – 8B22.Y Other specified cerebrovascular disease –– 8B22.40 Arteriovenous malformation of cerebral vessels –– 8B22.41 Cerebral cavernous malformation –– 8B22.42 Dural arteriovenous fistula –– 8B22.43 Carotid cavernous fistula –– 8B22.4Y Other specified intracranial vascular malformation –– 8B22.4Z Intracranial vascular malformation, unspecified –– 8B22.70 Primary cerebral arteritis –– 8B22.7Y Other specified cerebral arteritis, not elsewhere classified –– 8B22.7Z Cerebral arteritis, not elsewhere classified, unspecified –– 8B22.C0 CADASIL - [cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy] syndrome –– 8B22.C1 CARASIL - [cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy] syndrome –– 8B22.CY Other specified hereditary cerebrovascular diseases –– 8B22.CZ Hereditary cerebrovascular diseases, unspecified 8B23 Cerebrovascular abnormalities 8B24 Hypoxic-ischaemic encephalopathy – 8B24.0 Anoxic-ischaemic encephalopathy – 8B24.Y Other specified hypoxic-ischaemic encephalopathy – 8B24.Z Hypoxic-ischaemic encephalopathy, unspecified 8B25 Late effects of cerebrovascular disease – 8B25.0 Late effects of cerebral ischemic stroke – 8B25.1 Late effects of intracerebral haemorrhage – 8B25.2 Late effects of subarachnoid haemorrhage – 8B25.3 Late effects of other nontraumatic intracranial haemorrhage – 8B25.4 Late effects of stroke not known if ischaemic or haemorrhagic – 8B25.Y Late effects of other specified cerebrovascular disease – 8B25.Z Late effects of cerebrovascular disease, unspecified 8B26 Vascular syndromes of brain in cerebrovascular diseases – 8B26.0 Brainstem stroke syndrome – 8B26.1 Cerebellar stroke syndrome – 8B26.2 Middle cerebral artery syndrome – 8B26.3 Anterior cerebral artery syndrome – 8B26.4 Posterior cerebral artery syndrome – 8B26.5 Lacunar syndromes – 8B26.Y Other specified vascular syndromes of brain in cerebrovascular diseases – 8B26.Z Vascular syndromes of brain in cerebrovascular diseases, unspecified –– 8B26.50 Pure motor lacunar syndrome –– 8B26.51 Pure sensory lacunar syndrome –– 8B26.5Y Other specified lacunar syndromes –– 8B26.5Z Lacunar syndromes, unspecified 8B2Z Cerebrovascular diseases, unspecified 8B40 Cauda equina syndrome 8B41 Myelitis 8B42 Myelopathy 8B43 Non-compressive vascular myelopathies – 8B43.0 Acute arterial infarction of the spinal cord – 8B43.1 Acute venous infarction of the spinal cord – 8B43.2 Chronic venous infarction of the spinal cord – 8B43.Y Other specified non-compressive vascular myelopathies – 8B43.Z Non-compressive vascular myelopathies, unspecified 8B44 Degenerative myelopathic disorders – 8B44.0 Hereditary spastic paraplegia – 8B44.Y Other specified degenerative myelopathic disorders – 8B44.Z Degenerative myelopathic disorders, unspecified –– 8B44.00 Autosomal dominant hereditary spastic paraplegia –– 8B44.01 Autosomal recessive hereditary spastic paraplegia –– 8B44.02 X-linked hereditary spastic paraplegia –– 8B44.0Y Other specified hereditary spastic paraplegia –– 8B44.0Z Hereditary spastic paraplegia, unspecified 8B4Y Other specified spinal cord disorders excluding trauma 8B4Z Spinal cord disorders excluding trauma, unspecified 8B60 Motor neuron disease – 8B60.0 Amyotrophic lateral sclerosis – 8B60.1 Progressive bulbar palsy – 8B60.2 Progressive pseudobulbar palsy – 8B60.3 Progressive muscular atrophy – 8B60.4 Primary lateral sclerosis – 8B60.5 Amyotrophic lateral sclerosis-Plus – 8B60.6 Monomelic amyotrophy – 8B60.7 Madras type motor neuron disease – 8B60.Y Other specified motor neuron disease – 8B60.Z Motor neuron disease, unspecified 8B61 Spinal muscular atrophy – 8B61.0 Infantile spinal muscular atrophy, Type I – 8B61.1 Late infantile spinal muscular atrophy, Type II – 8B61.2 Juvenile form spinal muscular dystrophy, Type III – 8B61.3 Adult onset spinal muscular atrophy, Type IV – 8B61.4 Localised spinal muscular atrophy – 8B61.Y Other specified spinal muscular atrophy – 8B61.Z Spinal muscular atrophy, unspecified 8B62 Post polio progressive muscular atrophy 8B6Y Other specified motor neuron diseases or related disorders 8B6Z Motor neuron diseases or related disorders, unspecified – 8B80 Disorders of olfactory nerve – 8B81 Disorders of vestibulocochlear nerve –– 8B81.0 Brainstem lesion –– 8B81.Y Other specified disorders of vestibulocochlear nerve –– 8B81.Z Disorders of vestibulocochlear nerve, unspecified – 8B82 Disorders of trigeminal nerve –– 8B82.0 Trigeminal neuralgia –– 8B82.Z Disorders of trigeminal nerve, unspecified – 8B83 Disorders of spinal accessory nerve – 8B84 Disorders of hypoglossal nerve – 8B85 Disorders of multiple cranial nerves – 8B86 Disorders of vagus nerve – 8B87 Disorders of glossopharyngeal nerve – 8B88 Disorders of facial nerve –– 8B88.0 Bell palsy –– 8B88.1 Facial myokymia –– 8B88.2 Hemifacial spasm –– 8B88.3 Facial neuritis –– 8B88.Y Other specified disorders of facial nerve –– 8B88.Z Disorders of facial nerve, unspecified – 8B8Y Other specified disorders of cranial nerves – 8B8Z Disorders of cranial nerves, unspecified – 8B90 Nerve root and plexus compressions – 8B91 Brachial plexus disorders –– 8B91.0 Neuralgic shoulder amyotrophy –– 8B91.1 Thoracic outlet syndrome due to cervical rib –– 8B91.Y Other specified brachial plexus disorders –– 8B91.Z Brachial plexus disorders, unspecified – 8B92 Lumbosacral plexus disorders –– 8B92.0 Post radiation lumbosacral plexopathy –– 8B92.1 Vasculitic lumbosacral plexopathy –– 8B92.2 Diabetic lumbosacral plexopathy –– 8B92.3 Lumbosacral radiculoplexopathy –– 8B92.Y Other specified lumbosacral plexus disorders –– 8B92.Z Lumbosacral plexus disorders, unspecified – 8B93 Radiculopathy –– 8B93.0 Radiculopathy due to compression –– 8B93.1 Radiculopathy due to metabolic disorders –– 8B93.2 Radiculopathy due to electric shock or lightning –– 8B93.3 Radiculopathy due to radiation injury –– 8B93.4 Radiculopathy due to nutritional deficiencies –– 8B93.5 Radiculopathy due to toxicity –– 8B93.6 Radiculopathy due to intervertebral disc disorders –– 8B93.7 Radiculopathy due to neoplastic disease –– 8B93.8 Radiculopathy due to spondylosis –– 8B93.Y Other specified radiculopathy –– 8B93.Z Radiculopathy, unspecified – 8B94 Diabetic radiculoplexoneuropathy – 8B95 Secondary brachial plexus lesion due to certain specified disorders – 8B9Y Other specified nerve root or plexus disorders – 8B9Z Nerve root or plexus disorders, unspecified – 8C00 Idiopathic progressive neuropathy – 8C01 Inflammatory polyneuropathy –– 8C01.0 Acute inflammatory demyelinating polyneuropathy –– 8C01.1 Post vaccinal neuropathy –– 8C01.2 Subacute inflammatory demyelinating polyneuropathy –– 8C01.3 Chronic inflammatory demyelinating polyneuropathy –– 8C01.Y Other specified inflammatory polyneuropathy –– 8C01.Z Inflammatory polyneuropathy, unspecified – 8C03 Other secondary polyneuropathy –– 8C03.0 Diabetic polyneuropathy –– 8C03.1 Polyneuropathy due to infectious diseases –– 8C03.2 Polyneuropathy in neoplastic disease –– 8C03.3 Polyneuropathy in nutritional deficiency –– 8C03.4 Polyneuropathy in systemic connective tissue disorders –– 8C03.Y Other specified secondary polyneuropathy –– 8C03.Z Other secondary polyneuropathy, unspecified – 8C0Y Other specified polyneuropathy – 8C0Z Polyneuropathy, unspecified – 8C10 Mononeuropathies of upper limb –– 8C10.0 Carpal tunnel syndrome –– 8C10.1 Lesion of ulnar nerve –– 8C10.2 Lesion of radial nerve –– 8C10.Y Other specified mononeuropathies of upper limb –– 8C10.Z Mononeuropathies of upper limb, unspecified – 8C11 Mononeuropathies of lower limb –– 8C11.0 Lesion of sciatic nerve –– 8C11.1 Meralgia paraesthetica –– 8C11.2 Lesion of femoral nerve –– 8C11.3 Lesion of common peroneal nerve –– 8C11.4 Lesion of tibial nerve –– 8C11.5 Tarsal tunnel syndrome –– 8C11.6 Lesion of plantar nerve –– 8C11.Y Other specified mononeuropathies of lower limb –– 8C11.Z Mononeuropathies of lower limb, unspecified ––– 8C11.00 Sciatic nerve piriformis syndrome ––– 8C11.0Y Other specified lesion of sciatic nerve ––– 8C11.0Z Lesion of sciatic nerve, unspecified – 8C12 Certain specified mononeuropathies –– 8C12.0 Intercostal neuropathy –– 8C12.1 Mononeuritis multiplex –– 8C12.2 Lesion of suprascapular nerve –– 8C12.3 Lesion of axillary nerve –– 8C12.4 Lesion of long thoracic nerve –– 8C12.5 Traumatic neuroma, not otherwise specified –– 8C12.Y Mononeuropathy of other specified nerve – 8C1Y Mononeuropathy of other specified site – 8C1Z Mononeuropathy of unspecified site – 8C20 Hereditary motor and sensory neuropathy –– 8C20.0 Charcot-Marie-Tooth disease 1 demyelinating –– 8C20.1 Charcot-Marie-Tooth disease 2 axonal –– 8C20.2 Intermediate Charcot-Marie-Tooth disease –– 8C20.Y Other specified hereditary motor and sensory neuropathy –– 8C20.Z Hereditary motor and sensory neuropathy, unspecified – 8C21 Hereditary sensory or autonomic neuropathy –– 8C21.0 Hereditary sensory and autonomic neuropathy type I –– 8C21.1 Hereditary sensory and autonomic neuropathy type III –– 8C21.2 Hereditary sensory and autonomic neuropathy type IV –– 8C21.3 Hereditary sensory and autonomic neuropathy type V –– 8C21.Y Other specified hereditary sensory or autonomic neuropathy –– 8C21.Z Hereditary sensory or autonomic neuropathy, unspecified – 8C2Y Other specified hereditary neuropathy – 8C2Z Hereditary neuropathy, unspecified 8C4Y Other specified disorders of nerve root, plexus or peripheral nerves 8C4Z Disorders of nerve root, plexus or peripheral nerves, unspecified – 8C60 Myasthenia gravis –– 8C60.0 Drug-induced myasthenia gravis –– 8C60.Y Other specified myasthenia gravis –– 8C60.Z Myasthenia gravis, unspecified – 8C61 Congenital myasthenic syndromes – 8C62 Lambert-Eaton syndrome – 8C6Y Other specified myasthenia gravis and neuromuscular junction disorders – 8C6Z Unspecified myasthenia gravis or neuromuscular junction disorders – 8C70 Muscular dystrophy –– 8C70.0 Becker muscular dystrophy –– 8C70.1 Duchenne muscular dystrophy –– 8C70.2 Emery-Dreifuss muscular dystrophy –– 8C70.3 Facioscapulohumeral muscular dystrophy –– 8C70.4 Limb-girdle muscular dystrophy –– 8C70.5 Scapuloperoneal muscular dystrophy –– 8C70.6 Congenital muscular dystrophy –– 8C70.Y Other specified muscular dystrophy –– 8C70.Z Muscular dystrophy, unspecified ––– 8C70.40 Dominant limb-girdle muscular dystrophy ––– 8C70.41 Recessive limb-girdle muscular dystrophy ––– 8C70.4Y Other specified limb-girdle muscular dystrophy ––– 8C70.4Z Limb-girdle muscular dystrophy, unspecified – 8C71 Myotonic disorders –– 8C71.0 Myotonic dystrophy –– 8C71.1 Chondrodystrophic myotonia –– 8C71.2 Myotonia congenita –– 8C71.3 Drug-induced myotonia –– 8C71.4 Neuromyotonia –– 8C71.5 Pseudomyotonia –– 8C71.Y Other specified myotonic disorders –– 8C71.Z Myotonic disorders, unspecified – 8C72 Congenital myopathies –– 8C72.0 Congenital myopathy with structural abnormalities –– 8C72.1 Congenital myopathy with no structural abnormalities –– 8C72.Y Other specified congenital myopathies –– 8C72.Z Congenital myopathies, unspecified ––– 8C72.00 Nemaline myopathy ––– 8C72.01 Centronuclear myopathy ––– 8C72.02 Central core disease ––– 8C72.0Y Other specified congenital myopathy with structural abnormalities ––– 8C72.0Z Congenital myopathy with structural abnormalities, unspecified – 8C73 Mitochondrial myopathies –– 8C73.0 Autosomal recessive cardiomyopathy or ophthalmoplegia –– 8C73.1 Neuropathy, ataxia, and retinitis pigmentosa –– 8C73.Y Other specified mitochondrial myopathies –– 8C73.Z Mitochondrial myopathies, unspecified – 8C74 Periodic paralyses or disorders of muscle membrane excitability –– 8C74.0 Paramyotonia congenita –– 8C74.1 Periodic paralysis –– 8C74.Y Other specified periodic paralyses or disorders of muscle membrane excitability –– 8C74.Z Periodic paralyses or disorders of muscle membrane excitability, unspecified ––– 8C74.10 Hypokalaemic periodic paralysis ––– 8C74.11 Hyperkalaemic periodic paralysis ––– 8C74.1Y Other specified periodic paralysis ––– 8C74.1Z Periodic paralysis, unspecified – 8C75 Distal myopathies – 8C76 Myofibrillar myopathy – 8C77 Ocular myopathy – 8C78 Malignant hyperthermia or hyperpyrexia – 8C7Y Other specified primary disorders of muscles – 8C7Z Primary disorders of muscles, unspecified – 8C80 Drug-induced myopathy – 8C81 Autoimmune myopathy – 8C82 Myopathy in certain specified infectious or parasitic disease – 8C83 Myopathy in certain specified endocrine disease – 8C84 Secondary rhabdomyolysis – 8C8Y Other specified secondary myopathies – 8C8Z Secondary myopathies, unspecified 8D0Y Other specified diseases of neuromuscular junction or muscle 8D0Z Diseases of neuromuscular junction or muscle, unspecified 8D20 Spastic cerebral palsy – 8D20.0 Spastic unilateral cerebral palsy – 8D20.1 Spastic bilateral cerebral palsy – 8D20.Y Other specified spastic cerebral palsy – 8D20.Z Spastic cerebral palsy, unspecified –– 8D20.10 Spastic quadriplegic cerebral palsy –– 8D20.11 Spastic diplegic cerebral palsy –– 8D20.1Z Spastic bilateral cerebral palsy, unspecified 8D21 Dyskinetic cerebral palsy 8D22 Ataxic cerebral palsy 8D23 Worster-Drought syndrome 8D2Y Other specified cerebral palsy 8D2Z Cerebral palsy, unspecified 8D40 Neurological disorders due to nutrient deficiency – 8D40.0 Encephalopathy due to nutritional deficiency – 8D40.1 Neuropathy due to nutritional deficiency – 8D40.2 Myopathy due to nutritional deficiency – 8D40.3 Intellectual developmental disorder due to nutritional deficiency – 8D40.Y Other specified neurological disorders due to nutrient deficiency – 8D40.Z Neurological disorders due to nutrient deficiency, unspecified 8D41 Neurological disorders due to an excess of micro or macro nutrients – 8D41.0 Peripheral neuropathy due to vitamin B6 hyperalimentation – 8D41.1 Myopathy due to hypercalcaemia – 8D41.2 Pseudotumour Cerebri related to Hypervitaminosis A – 8D41.Y Other specified neurological disorders due to an excess of micro or macro nutrients – 8D41.Z Neurological disorders due to an excess of micro or macro nutrients, unspecified 8D42 Neurological disorders due to overweight or obesity in adults or children 8D43 Neurological disorders due to toxicity – 8D43.0 Encephalopathy due to toxicity – 8D43.1 Cognitive impairment due to toxicity – 8D43.2 Neuropathy due to toxicity – 8D43.3 Myopathy due to toxicity – 8D43.4 Movement disorders due to toxicity – 8D43.5 Cassava poisoning – 8D43.Y Other specified neurological disorders due to toxicity – 8D43.Z Neurological disorders due to toxicity, unspecified –– 8D43.00 Encephalopathy due to ammonia –– 8D43.0Y Other specified encephalopathy due to toxicity –– 8D43.0Z Encephalopathy due to toxicity, unspecified –– 8D43.20 Drug-induced polyneuropathy –– 8D43.21 Post radiation polyneuropathy –– 8D43.2Y Other specified neuropathy due to toxicity –– 8D43.2Z Neuropathy due to toxicity, unspecified 8D44 Alcohol-related neurological disorders – 8D44.0 Alcoholic polyneuropathy – 8D44.1 Alcoholic myopathy – 8D44.Y Other specified alcohol-related neurological disorders – 8D44.Z Alcohol-related neurological disorders, unspecified 8D4Y Other specified nutritional or toxic disorders of the nervous system 8D4Z Nutritional or toxic disorders of the nervous system, unspecified 8D60 Increased intracranial pressure – 8D60.0 Brain herniation syndromes – 8D60.1 Cerebral oedema – 8D60.Y Other specified increased intracranial pressure – 8D60.Z Increased intracranial pressure, unspecified 8D61 Intracranial hypotension – 8D61.0 Spontaneous intracranial hypotension – 8D61.1 Secondary intracranial hypotension – 8D61.Y Other specified intracranial hypotension – 8D61.Z Intracranial hypotension, unspecified 8D62 Cerebrospinal fluid rhinorrhoea 8D63 Cerebrospinal fluid otorrhoea 8D64 Hydrocephalus – 8D64.0 Communicating hydrocephalus – 8D64.1 Non-communicating hydrocephalus – 8D64.2 Ex-vacuo hydrocephalus – 8D64.Z Hydrocephalus, unspecified –– 8D64.00 Increased cerebrospinal fluid production –– 8D64.01 Congenital agenesis of arachnoid villi –– 8D64.02 Post haemorrhagic hydrocephalus –– 8D64.03 Post traumatic hydrocephalus –– 8D64.04 Normal-pressure hydrocephalus –– 8D64.0Y Other specified communicating hydrocephalus –– 8D64.0Z Communicating hydrocephalus, unspecified –– 8D64.10 Hydrocephalus due to structural malformations –– 8D64.1Y Other specified non-communicating hydrocephalus –– 8D64.1Z Non-communicating hydrocephalus, unspecified 8D65 Cerebrospinal fluid fistula 8D66 Syringomyelia or syringobulbia – 8D66.0 Idiopathic syringomyelia – 8D66.1 Syringomyelia due to certain specified cause – 8D66.2 Syringobulbia – 8D66.Y Other specified syringomyelia or syringobulbia – 8D66.Z Syringomyelia or syringobulbia, unspecified 8D67 Intracranial arachnoid cyst 8D68 Porencephalic cyst 8D6Y Other specified disorders of cerebrospinal fluid pressure or flow 8D6Z Disorders of cerebrospinal fluid pressure or flow, unspecified 8D80 Congenital malformations of the autonomic nervous system 8D81 Inherited autonomic nervous system disorders 8D82 Autoimmune disorders involving the autonomic nervous system 8D83 Autonomic nervous system disorder due to infection 8D84 Pure autonomic nervous system failure 8D85 Autonomic nervous system disorder due to substances 8D86 Autonomic nervous system hyperactivity 8D87 Autonomic nervous system disorder due to certain specified neurodegenerative disorder – 8D87.0 Multiple system atrophy – 8D87.Y Other specified autonomic nervous system disorder due to specified neurodegenerative disorder –– 8D87.00 Multiple system atrophy, Cerebellar type –– 8D87.01 Multiple system atrophy, Parkinsonism –– 8D87.0Y Other specified multiple system atrophy –– 8D87.0Z Multiple system atrophy, unspecified 8D88 Autonomic neuropathies – 8D88.0 Autonomic neuropathy due to sodium channelopathies – 8D88.1 Autonomic neuropathy due to diabetes mellitus – 8D88.2 Immune mediated autonomic neuropathy – 8D88.3 Autonomic disorder due to toxins – 8D88.4 Autonomic neuropathy in endocrine and metabolic diseases – 8D88.Y Other specified autonomic neuropathies – 8D88.Z Autonomic neuropathies, unspecified 8D89 Disorders of orthostatic tolerance – 8D89.0 Reflex syncope – 8D89.1 Syncope due to autonomic failure – 8D89.2 Postural orthostatic tachycardia syndrome – 8D89.3 Baroreflex failure – 8D89.Y Other specified disorders of orthostatic tolerance – 8D89.Z Disorders of orthostatic tolerance, unspecified 8D8A Focal or segmental autonomic disorders – 8D8A.1 Horner syndrome – 8D8A.2 Episodic anisocoria – 8D8A.Y Other specified focal or segmental autonomic disorders – 8D8A.Z Focal or segmental autonomic disorders, unspecified 8D8B Disorders affecting autonomic synaptic neurotransmission 8D8C Autonomic dysreflexia 8D8D Hypoglycaemia unawareness 8D8Y Other specified disorders of autonomic nervous system 8D8Z Disorders of autonomic nervous system, unspecified 8E00 Sporadic Creutzfeldt-Jakob Disease 8E01 Acquired prion disease – 8E01.0 Iatrogenically acquired Creutzfeldt-Jakob Disease – 8E01.1 Kuru – 8E01.2 Variant Creutzfeldt-Jakob Disease – 8E01.3 Other acquired Creutzfeldt-Jakob Disease – 8E01.Z Acquired prion disease, unspecified 8E02 Genetic prion diseases – 8E02.0 Genetic Creutzfeldt-Jakob disease – 8E02.1 Gerstmann-Straussler-Scheinker syndrome – 8E02.2 Fatal familial insomnia – 8E02.3 Other genetic prion diseases – 8E02.Y Other specified Creutzfeldt-Jakob disease – 8E02.Z Creutzfeldt-Jakob disease, unspecified 8E03 Variably protease sensitive prionopathy 8E0Y Other specified human prion diseases 8E0Z Human prion diseases, unspecified 8E20 Persistent vegetative state 8E21 Permanent vegetative state 8E22 Minimally conscious state – 8E22.0 Minimally conscious state plus – 8E22.1 Minimally conscious state minus – 8E22.Y Other specified minimally conscious state – 8E22.Z Minimally conscious state, unspecified 8E2Y Other specified disorders of consciousness 8E2Z Disorders of consciousness, unspecified 8E40 Disorders of the meninges excluding infection – 8E40.0 Neoplastic meningitis – 8E40.1 Chemical meningitis – 8E40.2 Inflammatory meningitis – 8E40.3 Arachnoiditis – 8E40.Y Other specified disorders of the meninges excluding infection – 8E40.Z Disorders of the meninges excluding infection, unspecified 8E41 Pachymeningitis – 8E41.0 Pachymeningitis due to infection – 8E41.1 Idiopathic hypertrophic pachymeningitis – 8E41.Y Other specified pachymeningitis – 8E41.Z Pachymeningitis, unspecified 8E42 Superficial siderosis of the nervous system 8E43 Pain disorders – 8E43.0 Neuropathic pain – 8E43.Y Other specified pain disorders – 8E43.Z Pain disorders, unspecified –– 8E43.00 Phantom limb syndrome –– 8E43.0Y Other specified neuropathic pain –– 8E43.0Z Neuropathic pain, unspecified 8E44 Post anoxic brain damage 8E45 Locked-in syndrome 8E46 Reye syndrome 8E47 Encephalopathy, not elsewhere classified 8E48 Encephalitis, not elsewhere classified 8E49 Postviral fatigue syndrome 8E4A Paraneoplastic or autoimmune disorders of the nervous system – 8E4A.0 Paraneoplastic or autoimmune disorders of the central nervous system, brain or spinal cord – 8E4A.1 Paraneoplastic or autoimmune disorders of the peripheral or autonomic nervous system – 8E4A.2 Paraneoplastic or autoimmune neuromuscular transmission disorders – 8E4A.3 Paraneoplastic or autoimmune disorders of the muscle – 8E4A.Y Other specified paraneoplastic or autoimmune disorders of the nervous system – 8E4A.Z Paraneoplastic or autoimmune disorders of the nervous system, unspecified 8E4Y Other specified disorders of the nervous system 8E60 Post ventricular shunting leak 8E61 Post radiation injury of the nervous system – 8E61.0 Radiation-induced brain injury – 8E61.1 Spinal cord irradiation – 8E61.Z Post radiation injury of the nervous system, unspecified 8E62 Postprocedural meningitis 8E63 Post pump encephalopathy 8E64 Multifocal cerebral infarctions 8E66 Intracranial hypotension due to lumbar puncture 8E7Y Other specified diseases of the nervous system 8E7Z Diseases of the nervous system, unspecified – 9A00 Congenital malposition of eyelids –– 9A00.0 Dystopia canthorum –– 9A00.1 Telecanthus –– 9A00.Y Other specified congenital malposition of eyelids –– 9A00.Z Congenital malposition of eyelids, unspecified – 9A01 Infectious disorders of eyelid –– 9A01.0 Preseptal cellulitis –– 9A01.1 Abscess of eyelid –– 9A01.2 Hordeolum –– 9A01.3 Infectious blepharitis –– 9A01.4 Infestation of eyelid –– 9A01.Y Other specified infectious disorders of eyelid –– 9A01.Z Unspecified infectious disorders of eyelid ––– 9A01.20 Hordeolum externum ––– 9A01.21 Hordeolum internum ––– 9A01.2Z Hordeolum, unspecified – 9A02 Inflammatory disorders of eyelid –– 9A02.0 Chalazion –– 9A02.1 Posterior blepharitis –– 9A02.2 Ligneous conjunctivitis –– 9A02.4 Meibomian gland dysfunction –– 9A02.Y Other specified inflammatory disorders of eyelid –– 9A02.Z Inflammatory disorders of eyelid, unspecified ––– 9A02.00 Chalazion externum ––– 9A02.01 Chalazion internum ––– 9A02.0Y Other specified chalazion ––– 9A02.0Z Chalazion, unspecified – 9A03 Acquired malposition of eyelid –– 9A03.0 Blepharoptosis –– 9A03.1 Entropion of eyelid –– 9A03.2 Ectropion of eyelid –– 9A03.3 Eyelid retraction –– 9A03.4 Lagophthalmos –– 9A03.5 Dermatochalasis of eyelid –– 9A03.Y Other specified acquired malposition of eyelid –– 9A03.Z Acquired malposition of eyelid, unspecified ––– 9A03.00 Marcus-Gunn syndrome ––– 9A03.01 Mechanical ptosis of eyelid ––– 9A03.02 Myogenic ptosis of eyelid ––– 9A03.03 Paralytic ptosis of eyelid ––– 9A03.0Y Other specified blepharoptosis ––– 9A03.0Z Blepharoptosis, unspecified ––– 9A03.10 Cicatricial entropion of eyelid ––– 9A03.11 Mechanical entropion of eyelid ––– 9A03.12 Senile entropion of eyelid ––– 9A03.13 Spastic entropion of eyelid ––– 9A03.1Y Other specified entropion of eyelid ––– 9A03.1Z Entropion of eyelid, unspecified ––– 9A03.20 Cicatricial ectropion of eyelid ––– 9A03.21 Mechanical ectropion of eyelid ––– 9A03.22 Senile ectropion of eyelid ––– 9A03.23 Spastic ectropion of eyelid ––– 9A03.24 Floppy eyelid syndrome ––– 9A03.2Y Other specified ectropion of eyelid ––– 9A03.2Z Ectropion of eyelid, unspecified ––– 9A03.40 Cicatricial lagophthalmos ––– 9A03.41 Mechanical lagophthalmos ––– 9A03.42 Paralytic lagophthalmos ––– 9A03.4Y Other specified lagophthalmos ––– 9A03.4Z Lagophthalmos, unspecified – 9A04 Acquired disorders of eyelashes –– 9A04.0 Trichiasis without entropion –– 9A04.1 Madarosis of eyelid or periocular area –– 9A04.Y Other specified acquired disorders of eyelashes –– 9A04.Z Acquired disorders of eyelashes, unspecified – 9A05 Movement disorders of eyelid –– 9A05.0 Myokymia of eyelid –– 9A05.1 Eyelid apraxia –– 9A05.Y Other specified movement disorders of eyelid –– 9A05.Z Movement disorders of eyelid, unspecified – 9A06 Certain specified disorders of eyelid –– 9A06.0 Involvement of eyelid by dermatosis classified elsewhere –– 9A06.1 Vitiligo of eyelid or periocular area –– 9A06.2 Symblepharon, acquired –– 9A06.3 Traumatic scar of eyelid –– 9A06.4 Xanthelasma of eyelid –– 9A06.5 Tear Trough Deformity –– 9A06.6 Sunken Sulcus Deformity –– 9A06.7 Dermatitis or eczema of eyelids –– 9A06.8 Blepharochalasis –– 9A06.Y Other specified disorders of eyelid ––– 9A06.70 Atopic eczema of eyelids ––– 9A06.71 Seborrhoeic dermatitis of eyelids ––– 9A06.72 Allergic contact blepharoconjunctivitis ––– 9A06.7Y Other specified dermatitis or eczema of eyelids ––– 9A06.7Z Dermatitis or eczema of eyelids, type unspecified – 9A0Y Other specified disorders of eyelid or peri-ocular area – 9A0Z Disorders of eyelid or peri-ocular area, unspecified – 9A10 Disorders of lacrimal gland –– 9A10.0 Infections of the lacrimal gland –– 9A10.1 Orbital inflammatory syndrome –– 9A10.2 Benign lymphoepithelial lesion of lacrimal gland –– 9A10.3 Hyperlacrimation –– 9A10.4 Underproduction of tears –– 9A10.Y Other specified disorders of lacrimal gland –– 9A10.Z Disorders of lacrimal gland, unspecified – 9A11 Disorders of lacrimal drainage system –– 9A11.0 Eversion of lacrimal punctum –– 9A11.1 Canaliculitis –– 9A11.2 Dacryocystitis –– 9A11.3 Conjunctivochalasis –– 9A11.4 Punctal stenosis –– 9A11.5 Nasolacrimal canalicular stenosis –– 9A11.6 Dacryolith –– 9A11.7 Nasolacrimal sac stenosis –– 9A11.8 Nasolacrimal duct obstruction –– 9A11.Y Other specified disorders of lacrimal drainage system –– 9A11.Z Disorders of lacrimal drainage system, unspecified – 9A1Y Other specified disorders of lacrimal apparatus – 9A1Z Disorders of lacrimal apparatus, unspecified – 9A20 Displacement of eyeball –– 9A20.0 Axial displacement of eyeball –– 9A20.1 Non-axial displacement of eyeball –– 9A20.Y Other specified displacement of eyeball –– 9A20.Z Displacement of eyeball, unspecified ––– 9A20.00 Outward displacement of eyeball ––– 9A20.01 Inward displacement of eyeball ––– 9A20.0Y Other specified axial displacement of eyeball ––– 9A20.0Z Axial displacement of eyeball, unspecified – 9A21 Orbital infection –– 9A21.0 Orbital cellulitis –– 9A21.1 Orbital subperiosteal abscess –– 9A21.2 Orbital abscess –– 9A21.3 Periostitis of orbit –– 9A21.Y Other specified orbital infection –– 9A21.Z Orbital infection, unspecified – 9A22 Orbital inflammation –– 9A22.0 Dysthyroid orbitopathy –– 9A22.1 Diffuse orbital inflammation –– 9A22.2 Granulomatous orbital inflammation –– 9A22.Y Other specified orbital inflammation –– 9A22.Z Orbital inflammation, unspecified – 9A23 Orbital cyst –– 9A23.0 Congenital orbital cyst –– 9A23.1 Acquired orbital cyst –– 9A23.Z Orbital cyst, unspecified – 9A24 Bony deformity of orbit –– 9A24.0 Contraction of orbit –– 9A24.1 Expansion of orbit –– 9A24.2 Distortion of orbit –– 9A24.3 Enlargement of bony orbit –– 9A24.4 Exostosis of orbit –– 9A24.Y Other specified bony deformity of orbit –– 9A24.Z Bony deformity of orbit, unspecified – 9A25 Soft tissue deformity of orbit –– 9A25.0 Anophthalmic socket –– 9A25.1 Microphthalmic socket –– 9A25.2 Contracted socket –– 9A25.3 Oedema of orbit –– 9A25.4 Haemorrhage of orbit –– 9A25.5 Atrophy of soft tissue of orbit –– 9A25.Y Other specified soft tissue deformity of orbit –– 9A25.Z Soft tissue deformity of orbit, unspecified – 9A26 Combined bony and soft tissue deformity of orbit – 9A2Y Other specified disorders of orbit – 9A2Z Disorders of orbit, unspecified 9A4Y Other specified disorders of the ocular adnexa or orbit 9A4Z Disorders of the ocular adnexa or orbit, unspecified – 9A60 Conjunctivitis –– 9A60.0 Papillary conjunctivitis –– 9A60.1 Follicular conjunctivitis –– 9A60.2 Cicatrizing conjunctivitis –– 9A60.3 Mucopurulent conjunctivitis –– 9A60.4 Blepharoconjunctivitis –– 9A60.5 Vernal keratoconjunctivitis –– 9A60.6 Serous conjunctivitis, except viral –– 9A60.Y Other specified conjunctivitis –– 9A60.Z Conjunctivitis, unspecified ––– 9A60.00 Giant papillary conjunctivitis ––– 9A60.01 Acute atopic conjunctivitis ––– 9A60.02 Allergic conjunctivitis ––– 9A60.0Y Other specified papillary conjunctivitis ––– 9A60.0Z Papillary conjunctivitis, unspecified ––– 9A60.30 Ulceration of conjunctiva ––– 9A60.31 Abscess of conjunctiva ––– 9A60.32 Conjunctivitis due to Koch-Weeks bacillus ––– 9A60.33 Acute epidemic conjunctivitis ––– 9A60.3Y Other specified mucopurulent conjunctivitis ––– 9A60.3Z Mucopurulent conjunctivitis, unspecified – 9A61 Certain specified disorders of conjunctiva –– 9A61.0 Pingueculae –– 9A61.1 Pterygium –– 9A61.2 Pseudopterygium of conjunctiva –– 9A61.3 Conjunctival scars –– 9A61.4 Conjunctival vascular disorders –– 9A61.5 Conjunctival or subconjunctival haemorrhage –– 9A61.6 Conjunctival or subconjunctival degenerations or deposits –– 9A61.Z Certain specified disorders of conjunctiva, unspecified ––– 9A61.40 Vascular abnormalities of conjunctiva ––– 9A61.4Y Other specified conjunctival vascular disorders ––– 9A61.4Z Conjunctival vascular disorders, unspecified – 9A62 Mucous membrane pemphigoid with ocular involvement – 9A6Y Other specified disorders of conjunctiva – 9A6Z Disorders of conjunctiva, unspecified – 9A70 Hereditary corneal dystrophies –– 9A70.0 Endothelial corneal dystrophy –– 9A70.Y Other specified hereditary corneal dystrophies –– 9A70.Z Hereditary corneal dystrophies, unspecified – 9A71 Infectious keratitis – 9A72 Traumatic keratitis – 9A73 Exposure keratitis – 9A74 Neurotrophic keratitis – 9A75 Autoimmune keratitis – 9A76 Corneal ulcer – 9A77 Corneal scars or opacities –– 9A77.0 Contact lens-associated corneal infiltrates –– 9A77.1 Adherent leukoma –– 9A77.Y Other specified corneal scars or opacities –– 9A77.Z Corneal scars or opacities, unspecified – 9A78 Certain specified disorders of cornea –– 9A78.0 Corneal neovascularization –– 9A78.1 Corneal pigmentations or deposits –– 9A78.2 Corneal oedema –– 9A78.3 Changes in corneal membranes –– 9A78.4 Corneal degeneration –– 9A78.5 Corneal deformities –– 9A78.6 Anaesthesia of cornea –– 9A78.7 Hypoesthesia of cornea –– 9A78.8 Recurrent erosion of cornea –– 9A78.9 Corneal abscess –– 9A78.A Sclerosing keratitis –– 9A78.Z Certain specified disorders of cornea, unspecified ––– 9A78.20 Bullous keratopathy ––– 9A78.21 Secondary corneal oedema ––– 9A78.2Y Other specified corneal oedema ––– 9A78.2Z Corneal oedema, unspecified ––– 9A78.50 Keratoconus ––– 9A78.51 Corneal staphyloma ––– 9A78.5Y Other specified corneal deformities ––– 9A78.5Z Corneal deformities, unspecified – 9A79 Keratoconjunctivitis sicca – 9A7Y Other specified disorders of the cornea – 9A7Z Disorders of the cornea, unspecified – 9A80 Hyphaema – 9A81 Parasites in the anterior chamber of the eye – 9A82 Cyst in the anterior chamber of the eye – 9A83 Flat anterior chamber hypotony of eye – 9A8Y Other specified disorders of the anterior chamber – 9A8Z Disorders of the anterior chamber, unspecified – 9A90 Degeneration of iris or ciliary body –– 9A90.0 Disorders of chamber angle –– 9A90.1 Degeneration of iris –– 9A90.2 Iris atrophy –– 9A90.Y Other specified degeneration of iris or ciliary body –– 9A90.Z Degeneration of iris or ciliary body, unspecified – 9A91 Cyst of iris or ciliary body – 9A92 Persistent pupillary membranes – 9A93 Adhesions or disruptions of iris or ciliary body – 9A94 Certain specified disorders of iris or ciliary body –– 9A94.0 Rubeosis of iris –– 9A94.1 Floppy iris syndrome –– 9A94.2 Plateau iris syndrome –– 9A94.Y Other disorders of iris and ciliary body – 9A96 Anterior uveitis –– 9A96.0 Anterior uveitis not associated with systemic conditions –– 9A96.1 Anterior uveitis associated with systemic conditions –– 9A96.2 Infection-associated anterior uveitis –– 9A96.3 Primary anterior uveitis –– 9A96.Y Other specified anterior uveitis –– 9A96.Z Anterior uveitis, unspecified – 9A9Y Other specified disorders of the anterior uvea – 9A9Z Disorders of the anterior uvea, unspecified – 9B00 Disorders of the afferent pupillary system –– 9B00.0 Relative afferent pupillary defects –– 9B00.1 Amaurotic pupillary reaction –– 9B00.2 Paradoxical pupillary reaction to light or darkness –– 9B00.3 Wernicke pupils –– 9B00.Y Other specified disorders of the afferent pupillary system –– 9B00.Z Disorders of the afferent pupillary system, unspecified – 9B01 Disorders of the efferent pupillary system –– 9B01.0 Physiologic anisocoria –– 9B01.1 Parasympathoparetic pupils –– 9B01.2 Pharmacologic inhibition of the parasympathetic pathway –– 9B01.3 Iris sphincter disorders –– 9B01.4 Pharmacologic parasympathicotonic pupils –– 9B01.5 Pharmacologic sympathoparetic pupils –– 9B01.6 Sympathotonic pupils –– 9B01.7 Episodic unilateral mydriasis –– 9B01.Y Other specified disorders of the efferent pupillary system –– 9B01.Z Disorders of the efferent pupillary system, unspecified – 9B02 Light-near dissociations –– 9B02.0 Argyll Robertson pupil –– 9B02.1 Pregeniculate light-near dissociations –– 9B02.2 Mesencephalic light-near dissociations –– 9B02.Y Other specified light-near dissociations –– 9B02.Z Light-near dissociations, unspecified – 9B0Y Other specified functional disorders of the pupil – 9B0Z Functional disorders of the pupil, unspecified – 9B10 Cataract –– 9B10.0 Age-related cataract –– 9B10.1 Infantile or juvenile cataract –– 9B10.2 Certain specified cataracts –– 9B10.Z Cataract, unspecified ––– 9B10.00 Coronary age-related cataract ––– 9B10.01 Punctate age-related cataract ––– 9B10.02 Mature age-related cataract ––– 9B10.0Y Other specified age-related cataract ––– 9B10.0Z Age-related cataract, unspecified ––– 9B10.10 Combined forms of infantile and juvenile cataract ––– 9B10.1Y Other specified infantile or juvenile cataract ––– 9B10.1Z Infantile or juvenile cataract, unspecified ––– 9B10.20 Traumatic cataract ––– 9B10.21 Diabetic cataract ––– 9B10.22 After-cataract ––– 9B10.23 Subcapsular glaucomatous flecks ––– 9B10.2Y Other specified cataracts – 9B11 Certain specified disorders of lens –– 9B11.0 Aphakia –– 9B11.1 Dislocation of lens –– 9B11.Y Other disorders of lens – 9B1Z Disorders of lens, unspecified 9B3Y Other specified disorders of the eyeball - anterior segment 9B3Z Disorders of the eyeball - anterior segment, unspecified – 9B50 Episcleritis – 9B51 Scleritis – 9B52 Scleral staphyloma – 9B5Y Other specified disorders of sclera – 9B5Z Disorders of sclera, unspecified – 9B60 Choroidal degeneration – 9B61 Choroidal dystrophy – 9B62 Chorioretinal scars – 9B63 Choroidal haemorrhage or rupture – 9B64 Choroidal detachment – 9B65 Choroiditis –– 9B65.0 Noninfectious posterior choroiditis –– 9B65.1 Infectious posterior choroiditis –– 9B65.2 Chorioretinal inflammation –– 9B65.Z Choroiditis, unspecified – 9B66 Intermediate choroiditis –– 9B66.0 Noninfectious intermediate choroiditis –– 9B66.1 Infectious intermediate choroiditis –– 9B66.Z Intermediate choroiditis, unspecified – 9B6Y Other specified disorders of the choroid – 9B6Z Disorders of the choroid, unspecified – 9B70 Inherited retinal dystrophies – 9B71 Retinopathy –– 9B71.0 Diabetic retinopathy –– 9B71.1 Hypertensive retinopathy –– 9B71.2 Radiation retinopathy –– 9B71.3 Retinopathy of prematurity –– 9B71.4 Paraneoplastic retinopathy –– 9B71.5 Autoimmune retinopathy –– 9B71.Y Other specified retinopathy –– 9B71.Z Retinopathy, unspecified ––– 9B71.00 Nonproliferative diabetic retinopathy ––– 9B71.01 Proliferative diabetic retinopathy ––– 9B71.02 Diabetic macular oedema ––– 9B71.0Z Diabetic retinopathy, unspecified ––– 9B71.40 Melanoma associated retinopathy ––– 9B71.4Y Other specified paraneoplastic retinopathy ––– 9B71.4Z Paraneoplastic retinopathy, unspecified – 9B72 Inflammatory diseases of the retina –– 9B72.0 Viral retinitis –– 9B72.Y Other specified inflammatory diseases of the retina –– 9B72.Z Inflammatory diseases of the retina, unspecified ––– 9B72.00 Cytomegaloviral retinitis ––– 9B72.01 HIV retinitis ––– 9B72.0Y Other specified viral retinitis ––– 9B72.0Z Viral retinitis, unspecified – 9B73 Retinal detachments or breaks –– 9B73.0 Retinal detachment with retinal break –– 9B73.1 Retinoschisis –– 9B73.2 Retinal cysts –– 9B73.3 Serous retinal detachment –– 9B73.4 Retinal breaks without detachment –– 9B73.Y Other specified retinal detachments or breaks –– 9B73.Z Retinal detachments or breaks, unspecified ––– 9B73.10 Adult retinoschisis ––– 9B73.11 Juvenile retinoschisis ––– 9B73.1Y Other specified retinoschisis ––– 9B73.1Z Retinoschisis, unspecified – 9B74 Retinal vascular occlusions –– 9B74.0 Retinal artery occlusions –– 9B74.1 Retinal venous occlusions –– 9B74.2 Combined retinal arterial and vein occlusion –– 9B74.Y Other specified retinal vascular occlusions –– 9B74.Z Retinal vascular occlusions, unspecified – 9B75 Macular disorders –– 9B75.0 Age-related macular degeneration –– 9B75.1 Non-traumatic macular hole –– 9B75.2 Central serous chorioretinopathy –– 9B75.3 Macular telangiectasia –– 9B75.Y Other specified macular disorders –– 9B75.Z Macular disorders, unspecified ––– 9B75.00 Early age-related macular degeneration ––– 9B75.01 Intermediate age-related macular degeneration ––– 9B75.03 Atrophic late-stage age-related macular degeneration ––– 9B75.04 Neovascular late-stage age-related macular degeneration ––– 9B75.0Y Other specified age-related macular degeneration ––– 9B75.0Z Age-related macular degeneration, unspecified – 9B76 Degenerative high myopia – 9B77 Eales disease – 9B78 Certain specified retinal disorders –– 9B78.0 Retinal vasculopathy and cerebral leukodystrophy –– 9B78.1 Background retinopathy and retinal vascular changes –– 9B78.2 Other proliferative retinopathy –– 9B78.3 Degeneration of macula or posterior pole –– 9B78.4 Peripheral retinal degeneration –– 9B78.5 Retinal haemorrhage –– 9B78.6 Separation of retinal layers –– 9B78.7 Retinal oedema –– 9B78.8 Retinal ischaemia –– 9B78.9 Retinal atrophy ––– 9B78.10 Changes in retinal vascular appearance ––– 9B78.11 Exudative retinopathy ––– 9B78.12 Retinal vasculitis ––– 9B78.13 Retinal telangiectasis ––– 9B78.1Y Other specified background retinopathy and retinal vascular changes ––– 9B78.1Z Background retinopathy and retinal vascular changes, unspecified ––– 9B78.30 Reticular pseudodrusen ––– 9B78.3Y Other specified degeneration of macula or posterior pole ––– 9B78.3Z Degeneration of macula or posterior pole, unspecified ––– 9B78.60 Serous detachment of retinal pigment epithelium ––– 9B78.61 Haemorrhagic detachment of retinal pigment epithelium ––– 9B78.6Y Other specified separation of retinal layers ––– 9B78.6Z Separation of retinal layers, unspecified – 9B7Y Other specified disorders of the retina – 9B7Z Disorders of the retina, unspecified – 9B80 Inherited vitreoretinal disorders – 9B81 Posterior vitreous detachment – 9B82 Vitreous prolapse – 9B83 Vitreous haemorrhage – 9B84 Vitreous opacities, membranes or strands – 9B8Y Other specified disorders of the vitreous body – 9B8Z Disorders of the vitreous body, unspecified 9C0Y Other specified disorders of the eyeball - posterior segment 9C0Z Disorders of the eyeball - posterior segment, unspecified 9C20 Panuveitis – 9C20.0 Noninfectious panuveitis – 9C20.1 Infectious panuveitis – 9C20.2 Purulent endophthalmitis – 9C20.Y Other specified panuveitis – 9C20.Z Panuveitis, unspecified 9C21 Endophthalmitis – 9C21.0 Sympathetic uveitis – 9C21.Y Other specified endophthalmitis – 9C21.Z Endophthalmitis, unspecified 9C22 Eyeball deformity – 9C22.0 Atrophia bulbi – 9C22.1 Phthisis bulbi – 9C22.Y Other specified eyeball deformity – 9C22.Z Eyeball deformity, unspecified 9C2Y Other specified disorders of the eyeball affecting both anterior and posterior segments 9C2Z Disorders of the eyeball affecting both anterior and posterior segments, unspecified 9C40 Disorder of the optic nerve – 9C40.0 Infectious optic neuropathy – 9C40.1 Optic neuritis – 9C40.2 Neuroretinitis – 9C40.3 Perineuritis of optic nerve – 9C40.4 Ischaemic optic neuropathy – 9C40.5 Compressive optic neuropathy – 9C40.6 Infiltrative optic neuropathy – 9C40.7 Traumatic optic neuropathy – 9C40.8 Hereditary optic neuropathy – 9C40.9 Glaucomatous optic neuropathy – 9C40.A Optic disc swelling – 9C40.B Optic atrophy – 9C40.Y Other specified disorder of the optic nerve – 9C40.Z Disorder of the optic nerve, unspecified –– 9C40.10 Retrobulbar neuritis –– 9C40.1Y Other specified optic neuritis –– 9C40.1Z Optic neuritis, unspecified –– 9C40.40 Anterior ischemic optic neuropathy –– 9C40.41 Posterior ischemic optic neuropathy –– 9C40.4Y Other specified ischaemic optic neuropathy –– 9C40.4Z Ischaemic optic neuropathy, unspecified –– 9C40.A0 Papilloedema –– 9C40.A1 Optic disc swelling associated with uveitis –– 9C40.AY Other specified optic disc swelling –– 9C40.AZ Optic disc swelling, unspecified –– 9C40.B0 Congenital optic atrophy –– 9C40.B1 Acquired optic atrophy –– 9C40.BZ Optic atrophy, unspecified 9C41 Disorder of optic chiasm 9C42 Disorder of post chiasmal visual pathways 9C43 Disorder of visual cortex 9C44 Disorder of higher visual centres 9C4Y Other specified disorders of the visual pathways or centres 9C4Z Disorders of the visual pathways or centres, unspecified 9C60 Glaucoma suspect 9C61 Glaucoma – 9C61.0 Primary open-angle glaucoma – 9C61.1 Primary angle closure and angle closure glaucoma – 9C61.2 Secondary open-angle glaucoma – 9C61.3 Secondary angle closure glaucoma – 9C61.4 Developmental glaucoma – 9C61.Z Glaucoma, unspecified –– 9C61.00 Normal tension glaucoma –– 9C61.01 Ocular hypertension –– 9C61.0Y Other specified primary open-angle glaucoma –– 9C61.0Z Primary open-angle glaucoma, unspecified –– 9C61.10 Primary angle closure suspect or anatomical narrow angle –– 9C61.11 Primary angle-closure –– 9C61.12 Primary angle closure glaucoma –– 9C61.13 Primary angle closure without pupillary block –– 9C61.14 Acute angle closure with pupillary block –– 9C61.15 Intermittent angle-closure –– 9C61.16 Chronic angle-closure –– 9C61.17 Condition after acute angle-closure glaucoma attack –– 9C61.1Y Other specified primary angle closure and angle closure glaucoma –– 9C61.1Z Primary angle closure and angle closure glaucoma, unspecified –– 9C61.20 Pseudoexfoliative open-angle glaucoma –– 9C61.21 Pigmentary open-angle glaucoma –– 9C61.22 Lens-induced secondary open-angle glaucoma –– 9C61.23 Glaucoma associated with intraocular haemorrhage –– 9C61.24 Glaucoma due to eye inflammation –– 9C61.25 Glaucomato-cyclitic crisis –– 9C61.26 Secondary open-angle glaucoma due to parasitic eye disease –– 9C61.27 Glaucoma due to intraocular tumours –– 9C61.28 Glaucoma associated with retinal detachment –– 9C61.29 Glaucoma due to eye trauma –– 9C61.2A Glaucoma due to drugs –– 9C61.2B Glaucoma caused by increased episcleral venous pressure –– 9C61.2C Secondary glaucoma due to extra-ocular mass –– 9C61.2Y Other specified secondary open-angle glaucoma –– 9C61.2Z Secondary open-angle glaucoma, unspecified –– 9C61.30 Secondary angle closure glaucoma with pupillary block –– 9C61.31 Secondary angle closure glaucoma without pupillary block –– 9C61.32 Neovascular secondary angle closure glaucoma –– 9C61.33 Secondary angle closure glaucoma due to endothelial overgrowth –– 9C61.34 Secondary angle closure glaucoma due to epithelial ingrowth –– 9C61.35 Ciliary block glaucoma –– 9C61.36 Secondary angle closure glaucoma due to other anterior displacement of the lens-iris diaphragm –– 9C61.3Y Other specified secondary angle closure glaucoma –– 9C61.3Z Secondary angle closure glaucoma, unspecified –– 9C61.40 Primary congenital glaucoma –– 9C61.41 Primary infantile glaucoma –– 9C61.42 Secondary childhood glaucoma –– 9C61.4Y Other specified developmental glaucoma –– 9C61.4Z Developmental glaucoma, unspecified 9C6Y Other specified glaucoma or glaucoma suspect 9C6Z Glaucoma or glaucoma suspect, unspecified 9C80 Non paralytic strabismus – 9C80.0 Esotropia – 9C80.1 Exotropia – 9C80.2 Vertical or torsional strabismus – 9C80.3 Intermittent strabismus – 9C80.4 Heterophoria – 9C80.5 Mechanical strabismus – 9C80.Y Other specified non paralytic strabismus – 9C80.Z Non paralytic strabismus, unspecified –– 9C80.30 Intermittent divergent exotropia –– 9C80.31 Intermittent convergent esotropia –– 9C80.3Y Other specified intermittent strabismus –– 9C80.3Z Intermittent strabismus, unspecified 9C81 Ocular motor nerve palsies – 9C81.0 Third nerve palsy – 9C81.1 Fourth nerve palsy – 9C81.2 Sixth nerve palsy – 9C81.3 Total external ophthalmoplegia – 9C81.4 Cavernous sinus syndromes – 9C81.Y Palsy of other specified ocular motor nerve – 9C81.Z Palsy of unspecified ocular motor nerve –– 9C81.00 External bilateral paralysis of oculomotor nerve –– 9C81.0Y Other specified third nerve palsy –– 9C81.0Z Third nerve palsy, unspecified 9C82 Disorders of extraocular muscles – 9C82.0 Progressive external ophthalmoplegia – 9C82.1 Muscular dystrophy affecting extraocular muscle – 9C82.2 Congenital cranial dysinnervation syndrome – 9C82.3 Restrictive ophthalmopathy – 9C82.4 Oculomotor apraxia – 9C82.Y Other specified disorders of extraocular muscles – 9C82.Z Disorders of extraocular muscles, unspecified 9C83 Disorders of binocular movement – 9C83.0 Palsy of conjugate gaze – 9C83.1 Spasm of conjugate gaze – 9C83.2 Convergence insufficiency – 9C83.3 Convergence excess – 9C83.4 Spasm of the near reflex – 9C83.5 Internuclear ophthalmoplegia – 9C83.6 Anomalies of divergence or deviation of eye movement – 9C83.Y Other specified disorders of binocular movement – 9C83.Z Disorders of binocular movement, unspecified –– 9C83.00 Horizontal gaze palsy –– 9C83.01 Vertical gaze palsy –– 9C83.02 Monocular elevator palsy –– 9C83.0Y Other specified palsy of conjugate gaze –– 9C83.0Z Palsy of conjugate gaze, unspecified –– 9C83.10 Horizontal conjugate gaze deviation –– 9C83.11 Upward gaze deviation –– 9C83.12 Downward gaze deviation –– 9C83.13 Oculogyric crisis –– 9C83.1Y Other specified spasm of conjugate gaze –– 9C83.1Z Spasm of conjugate gaze, unspecified –– 9C83.60 Divergence insufficiency –– 9C83.61 Divergence paralysis –– 9C83.62 Divergence excess –– 9C83.63 Synergistic divergence –– 9C83.64 Skew deviation –– 9C83.65 Ocular tilt reaction –– 9C83.66 Alternating skew deviation –– 9C83.67 Dissociative vertical divergence –– 9C83.6Y Other specified anomalies of divergence or deviation of eye movement –– 9C83.6Z Anomalies of divergence or deviation of eye movement, unspecified 9C84 Nystagmus – 9C84.0 Physiological nystagmus – 9C84.1 Congenital forms of nystagmus – 9C84.2 Vestibular nystagmus – 9C84.3 Seesaw nystagmus – 9C84.4 Gaze-evoked nystagmus – 9C84.5 Nystagmus occurring in visual system disorders – 9C84.6 Eyelid nystagmus – 9C84.Y Other specified nystagmus – 9C84.Z Nystagmus, unspecified –– 9C84.20 Downbeat nystagmus –– 9C84.21 Upbeat nystagmus –– 9C84.22 Torsional nystagmus –– 9C84.23 Perverted nystagmus –– 9C84.2Y Other specified vestibular nystagmus –– 9C84.2Z Vestibular nystagmus, unspecified –– 9C84.50 Visual deprivation nystagmus –– 9C84.51 Divergence nystagmus –– 9C84.52 Convergence-retraction nystagmus –– 9C84.5Y Other specified nystagmus occurring in visual system disorders –– 9C84.5Z Nystagmus occurring in visual system disorders, unspecified 9C85 Certain specified irregular eye movements – 9C85.0 Anomalies of saccadic eye movements – 9C85.1 Anomalies of smooth pursuit movements – 9C85.2 Nonorganic eye movement disorders – 9C85.Y Other specified irregular eye movements – 9C85.Z Irregular eye movements, unspecified –– 9C85.00 Disorders of the saccadic pulse –– 9C85.01 Disorders of the saccadic step –– 9C85.02 Inappropriate saccades –– 9C85.0Y Other specified anomalies of saccadic eye movements –– 9C85.0Z Anomalies of saccadic eye movements, unspecified 9C8Y Other specified strabismus or ocular motility disorders 9C8Z Strabismus or ocular motility disorders, unspecified 9D00 Disorders of refraction – 9D00.0 Myopia – 9D00.1 Hypermetropia – 9D00.2 Astigmatism – 9D00.3 Presbyopia – 9D00.4 Anisometropia – 9D00.5 Aniseikonia – 9D00.6 Transient refractive change – 9D00.Y Other specified disorders of refraction – 9D00.Z Disorders of refraction, unspecified 9D01 Disorders of accommodation – 9D01.0 Internal ophthalmoplegia – 9D01.1 Paresis of accommodation – 9D01.2 Spasm of accommodation – 9D01.Y Other specified disorders of accommodation – 9D01.Z Disorders of accommodation, unspecified 9D0Y Other specified disorders of refraction or accommodation 9D0Z Disorders of refraction or accommodation, unspecified 9D20 Bullous aphakic keratopathy following cataract surgery 9D21 Cataract lens fragments in eye following cataract surgery 9D22 Chorioretinal scars after surgery for detachment 9D23 Conjunctival blebitis after glaucoma surgery 9D24 Complications with glaucoma drainage devices 9D25 Glaucoma due to ocular surgery or laser 9D41 Impairment of visual field 9D42 Patterns of visual field impairment – 9D42.0 Visual field loss, pattern not specified – 9D42.2 Peripheral field deficit – 9D42.3 Hemianopic or quadrantic loss – 9D42.4 Central scotoma – 9D42.5 Para-central scotoma – 9D42.6 Homonymous hemianopia or quadrant anopia – 9D42.7 Heteronymous hemianopia or quadrant anopia – 9D42.8 Visual field loss, other specified forms – 9D42.Y Other specified patterns of visual field impairment – 9D42.Z Patterns of visual field impairment, unspecified –– 9D42.20 Enlarged blind spot –– 9D42.21 Arcuate scotoma –– 9D42.22 Nasal step –– 9D42.23 Ring scotoma –– 9D42.24 Isolated peripheral scotoma –– 9D42.2Y Other specified peripheral field deficit –– 9D42.2Z Peripheral field deficit, unspecified –– 9D42.60 Right hemi-field homonymous hemianopia or quadrant anopia –– 9D42.61 Left hemi-field homonymous hemianopia or quadrant anopia –– 9D42.6Y Other specified homonymous hemianopia or quadrant anopia –– 9D42.6Z Homonymous hemianopia or quadrant anopia, unspecified –– 9D42.70 Bi-nasal defects heteronymous hemianopia or quadrant anopia –– 9D42.71 Bi-temporal defects heteronymous hemianopia or quadrant anopia –– 9D42.7Y Other specified heteronymous hemianopia or quadrant anopia –– 9D42.7Z Heteronymous hemianopia or quadrant anopia, unspecified 9D43 Impairment of contrast vision 9D44 Impairment of colour vision 9D45 Impairment of light sensitivity 9D46 Impairment of binocular functions – 9D50 Visual discomfort – 9D51 Transient visual loss – 9D52 Hemifield losses – 9D53 Entoptic phenomena – 9D54 Visual illusions – 9D55 Nonorganic visual loss – 9D56 Visual release hallucinations – 9D5Y Other specified subjective visual experiences – 9D5Z Subjective visual experiences, unspecified 9D7Y Other specified impairment of visual functions 9D7Z Impairment of visual functions, unspecified 9D90 Vision impairment including blindness – 9D90.1 Mild vision impairment – 9D90.2 Moderate vision impairment – 9D90.3 Severe vision impairment – 9D90.6 Blindness – 9D90.7 Near vision impairment 9D92 Specific vision dysfunctions 9D93 Complex vision-related dysfunctions 9D94 Impairment of presenting visual acuity 9D95 Impairment of best corrected visual acuity 9D96 Impairment of uncorrected visual acuity 9D9Y Other specified vision impairment 9D9Z Vision impairment, unspecified 9E1Y Other specified diseases of the visual system 9E1Z Diseases of the visual system, unspecified – AA00 Abscess of external ear – AA01 Cellulitis of external ear – AA02 Malignant otitis externa – AA03 Otomycosis – AA04 Perichondritis of external ear – AA0Y Other specified infectious diseases of external ear – AA0Z Infectious diseases of external ear, unspecified –– AA10 Seborrhoeic otitis externa –– AA11 Acute noninfectious otitis externa –– AA12 Chondrodermatitis nodularis –– AA13 Chronic otitis externa –– AA1Y Other specified noninfectious inflammation of external ear –– AA1Z Noninfectious inflammation of external ear, unspecified – AA3Y Other specified otitis externa – AA3Z Otitis externa, unspecified – AA40 Acquired deformity of external auditory canal –– AA40.0 Exostosis of external auditory canal –– AA40.1 Acquired stenosis of external auditory canal –– AA40.2 Cholesteatoma of external auditory canal –– AA40.Y Other specified acquired deformity of external auditory canal – AA41 Acquired deformity of pinna –– AA41.0 Cauliflower ear –– AA41.Y Other specified acquired deformity of pinna – AA42 Impacted cerumen – AA4Y Other specified noninflammatory disorders of the external ear – AA4Z Noninflammatory disorders of the external ear, unspecified AA6Z Diseases of external ear, unspecified –– AA80 Acute serous or mucoid otitis media –– AA81 Acute nonserous nonsuppurative otitis media –– AA82 Chronic serous or mucoid otitis media –– AA83 Noninfected otitis media with effusion –– AA8Z Nonsuppurative otitis media, unspecified –– AA90 Acute suppurative otitis media –– AA91 Chronic suppurative otitis media ––– AA91.0 Chronic tubotympanic suppurative otitis media ––– AA91.1 Chronic atticoantral suppurative otitis media ––– AA91.2 Other chronic suppurative otitis media ––– AA91.Z Chronic suppurative otitis media, unspecified –– AA9Z Suppurative otitis media, unspecified whether acute or chronic – AB00 Acute otitis media – AB01 Chronic otitis media – AB0Y Other specified otitis media – AB0Z Otitis media, unspecified AB10 Disorders of Eustachian tube – AB10.0 Diverticulum of Eustachian tube – AB10.1 Patulous Eustachian tube – AB10.2 Eustachian salpingitis – AB10.3 Obstruction of Eustachian tube – AB10.Y Other specified disorders of Eustachian tube – AB10.Z Disorders of Eustachian tube, unspecified AB11 Mastoiditis or related conditions – AB11.0 Acute mastoiditis – AB11.1 Chronic mastoiditis – AB11.2 Petrositis – AB11.3 Mastoiditis, not elsewhere classified – AB11.Y Other specified mastoiditis or related conditions AB12 Cholesteatoma of middle ear AB13 Perforation of tympanic membrane – AB13.0 Central perforation of tympanic membrane – AB13.1 Attic perforation of tympanic membrane – AB13.2 Other marginal perforations of tympanic membrane – AB13.Y Other specified perforation of tympanic membrane – AB13.Z Perforation of tympanic membrane, unspecified AB14 Acute myringitis AB15 Chronic myringitis AB16 Tympanosclerosis AB17 Adhesive middle ear disease AB18 Discontinuity or dislocation of ear ossicles AB19 Acquired abnormalities of ear ossicles not related to discontinuity or dislocation AB1A Polyp of middle ear – AB1A.0 Aural polyp – AB1A.Y Other specified polyp of middle ear – AB1A.Z Polyp of middle ear, unspecified AB1B Middle ear cicatrix AB1Y Other specified diseases of middle ear or mastoid AB1Z Diseases of middle ear or mastoid, unspecified AB30 Acute vestibular syndrome – AB30.0 Vestibular neuritis – AB30.1 Labyrinthitis – AB30.Y Other specified acute vestibular syndrome – AB30.Z Acute vestibular syndrome, unspecified AB31 Episodic vestibular syndrome – AB31.0 Meniere disease – AB31.1 Vestibular migraine – AB31.2 Benign positional paroxysmal vertigo – AB31.3 Superior canal dehiscence syndrome – AB31.4 Disembarkment syndrome – AB31.5 Autoimmune inner ear disease – AB31.6 Vestibular paroxysmia – AB31.7 Vertiginous syndromes – AB31.Y Other specified episodic vestibular syndrome – AB31.Z Episodic vestibular syndrome, unspecified AB32 Chronic vestibular syndrome – AB32.0 Persistent Postural-Perceptual Dizziness – AB32.1 Chronic unilateral idiopathic vestibulopathy – AB32.2 Persistent unilateral vestibulopathy after vestibular neuronitis – AB32.3 Unilateral vestibulopathy due to schwannoma – AB32.4 Unilateral vestibulopathy after medical intervention – AB32.5 Chronic bilateral vestibulopathy – AB32.Y Other specified chronic vestibular syndrome – AB32.Z Chronic vestibular syndrome, unspecified AB33 Otosclerosis AB34 Disorders of vestibular function – AB34.0 Idiopathic bilateral vestibulopathy – AB34.1 Other peripheral vertigo – AB34.Y Other specified disorders of vestibular function – AB34.Z Disorders of vestibular function, unspecified AB35 Labyrinthine fistula AB36 Labyrinthine dysfunction AB37 Noise effects on inner ear AB3Y Other specified diseases of inner ear AB3Z Diseases of inner ear, unspecified AB50 Congenital hearing impairment – AB50.0 Congenital conductive hearing loss – AB50.1 Congenital sensorineural hearing loss – AB50.2 Congenital mixed conductive and sensorineural hearing loss – AB50.Y Other specified congenital hearing impairment – AB50.Z Congenital hearing impairment, unspecified AB51 Acquired hearing impairment – AB51.0 Acquired conductive hearing loss – AB51.1 Acquired sensorineural hearing loss – AB51.2 Acquired mixed conductive and sensorineural hearing loss – AB51.Y Other specified acquired hearing impairment – AB51.Z Acquired hearing impairment, unspecified AB52 Deafness not otherwise specified AB53 Ototoxic hearing loss AB54 Presbycusis AB55 Sudden idiopathic hearing loss AB56 Hereditary hearing loss AB57 Auditory synaptopathy or neuropathy AB5Y Other specified disorders with hearing impairment AB5Z Disorders with hearing impairment, unspecified AB70 Otalgia or effusion of ear – AB70.0 Otorrhoea – AB70.1 Otorrhagia – AB70.2 Otalgia AB71 Degenerative or vascular disorders of ear AB72 Disorders of acoustic nerve – AB72.0 Acoustic neuritis – AB72.Y Other specified disorders of acoustic nerve – AB72.Z Disorders of acoustic nerve, unspecified AB73 Atrophy ear AB7Y Other specified disorders of ear, not elsewhere classified AB90 Recurrent cholesteatoma of postmastoidectomy cavity AB91 Mucosal cyst of postmastoidectomy cavity AB92 Granulation of postmastoidectomy cavity AB93 Chronic inflammation of postmastoidectomy cavity AC0Y Other specified diseases of the ear or mastoid process AC0Z Diseases of the ear or mastoid process, unspecified
synonyms Personal history of diseases of the nervous system or sense organs history of disease or disorder of nervous system history of disease or disorder of sense organs personal history of diseases of the nervous system Personal history of diseases of the ear history of disease or disorder of ear Personal history of diseases of the mastoid process Personal history of disease or disorder of eye
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