ICD-11 classes
08 Diseases of the nervous system
Multiple sclerosis or other white matter disorders

ICD-11 Multiple sclerosis or other white matter disorders

This is a group of conditions involving demyelination, damage to the myelin sheath which protects nerve axons and is responsible for neurotransmission.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 9 clarifying diagnoses:

1. 8A40 — Multiple sclerosis
   It contains 5 clarifying diagnoses.
2. 8A41 — Isolated demyelinating syndromes of the central nervous system
   It contains 5 clarifying diagnoses.
3. 8A42 — Acute disseminated encephalomyelitis
   It contains 3 clarifying diagnoses.
4. 8A43 — Neuromyelitis optica
   It contains 9 clarifying diagnoses.
5. 8A44 — Leukodystrophies
   It contains 7 clarifying diagnoses.
6. 8A45 — Secondary white matter disorders
   It contains 7 clarifying diagnoses.
7. 8A46 — Central demyelination of corpus callosum
8. 8A4Y — Other specified multiple sclerosis or other white matter disorders
9. 8A4Z — Multiple sclerosis or other white matter disorders, unspecified