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Disorders due to use of dissociative drugs including ketamine and phencyclidine [PCP]

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Disorders due to use of dissociative drugs including ketamine and phencyclidine [PCP] are characterised by the pattern and consequences of dissociative drug use. Dissociative drugs include ketamine and phencyclidine (PCP) and their (comparatively rare) chemical analogues. Ketamine is an intravenous anaesthetic widely used in low- and middle-income countries, particularly in Africa, and in emergency situations. Ketamine is also undergoing evaluation for treatment of some mental disorders (e.g., treatment resistant Depressive Disorders). It is also a widespread drug of nonmedical use in many countries and may be taken by the oral or nasal routes or injected. It produces a sense of euphoria but depending on the dose, emergent hallucinations and dissociation are recognised as unpleasant side effects. Phencyclidine has a more restricted worldwide distribution and also has euphoric and dissociative effects. Its use may result in bizarre behaviour uncharacteristic for the individual, including self-harm. Dissociative Drug Dependence is described but a withdrawal syndrome is not recognized by most authorities. Several Dissociative Drug-Induced Mental Disorders are recognised.

exclusions

• Hazardous use of dissociative drugs including ketamine or PCP  (QE11.7)

sections/codes in this section (6C4D-6C4D)

• Episode of harmful use of dissociative drugs including ketamine or PCP  (6C4D.0)
• Harmful pattern of use of dissociative drugs, including ketamine or PCP  (6C4D.1)
• Dissociative drug dependence including ketamine or PCP  (6C4D.2)
• Dissociative drug intoxication including Ketamine or PCP  (6C4D.3)
• Dissociative drug-induced delirium including ketamine or PCP  (6C4D.4)
• Dissociative drug-induced psychotic disorder including Ketamine or PCP  (6C4D.5)
• Certain specified dissociative drug-induced mental or behavioural disorders, including ketamine and phencyclidine [PCP]  (6C4D.6)
• Other specified disorders due to use of dissociative drugs including ketamine and phencyclidine [PCP]  (6C4D.Y)
• Disorders due to use of dissociative drugs including ketamine and phencyclidine [PCP], unspecified  (6C4D.Z)

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