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International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
Dementia due to injury to the head is caused by damage inflicted on the tissues of the brain as the direct or indirect result of an external force. Trauma to the brain is known to have resulted in loss of consciousness, amnesia, disorientation and confusion, or neurological signs. The symptoms characteristic of Dementia due to injury to the head must arise immediately following the trauma or after the individual gains consciousness and must persist beyond the acute post-injury period. Cognitive deficits vary depending on the specific brain areas affected and the severity of the injury but can include impairments in attention, memory, executive functioning, personality, processing speed, social cognition, and language abilities.
coding note
This category should never be used in primary tabulation. The codes are provided for use as supplementary or additional codes when it is desired to identify the presence of dementia in diseases classified elsewhere.
When dementia is due to multiple aetiologies, code all that apply.
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Associated with - multiple selections are allowed
Has severity - only one may be selected
Has causing condition - a selection is required - multiple selections are allowed