ICD-11 MMS 2026-01
Acquired ataxia
Description
Ataxia that is caused by a variety of exogenous and endogenous factors and is not clearly hereditary. May be seen in the setting of drug toxicity, post-viral cerebellitis, acute disseminated encephalomyelitis, traumatic brain injury, hypoxia, heat stroke, Wernicke’s encephalopathy, Miller Fisher syndrome, basilar migraine, or conversion reaction.
Exclusions from above levels
6A06 – Stereotyped movement disorder05 – Endocrine, nutritional or metabolic diseases18 – Complications of pregnancy, childbirth and the puerperium
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19 – Certain conditions originating in the perinatal period22 – Injury, poisoning or certain other consequences of external causes
Child codes
8A03.30 – Ataxia due to alcoholic cerebellar degeneration8A03.3Y – Other specified acquired ataxia8A03.3Z – Acquired ataxia, unspecified
Sibling codes
8A03.0 – Congenital ataxia8A03.1 – Hereditary ataxia8A03.2 – Non-hereditary degenerative ataxia8A03.Y – Other specified ataxic disorders8A03.Z – Ataxic disorders, unspecified
Part of: 8A03: Ataxic disorders › 08: Diseases of the nervous system