6D85.4 Dementia due to multiple sclerosis

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

Dementia due to multiple sclerosis is a neurodegenerative disease due to the cerebral effects of multiple sclerosis, a demyelinating disease. Onset of symptoms is insidious and not secondary to the functional impairment attributable to the primary disease (i.e., multiple sclerosis). Cognitive impairments vary according to the location of demyelination but typically include deficits in processing speed, memory, attention, and aspects of executive functioning.

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

synonyms

• Dementia due to multiple sclerosis

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