8A45.21ICD-11 MMS 2026-01
Subacute necrotising myelitis
Description
Foix-Alajouanine syndrome, also called subacute ascending necrotising myelitis, results from chronic congestion of the extrinsic pial veins of the spinal cord and of the intrinsic subpial network. It is characterised by progressive ascending deficit over a period of several months or years.
Index terms
- Subacute necrotising myelitis
Exclusions from above levels
05– Endocrine, nutritional or metabolic diseases18– Complications of pregnancy, childbirth and the puerperium19– Certain conditions originating in the perinatal period
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22– Injury, poisoning or certain other consequences of external causes
Sibling codes
Foundation entity
Subacute necrotising myelitis – http://id.who.int/icd/entity/937824238
Part of: 8A45.2: White matter disorders due to vascular abnormality or ischemia › 8A45: Secondary white matter disorders › 08: Diseases of the nervous system