ICD-10/G36.8

G36.8 ICD 2026 Code: Other specified acute disseminated demyelination

G36.8 is the authoritative medical code for Other specified acute disseminated demyelination. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified acute disseminated demyelination (ICD-10-CM G36.8), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Other specified acute disseminated demyelination is a billable ICD-10-CM diagnosis code G36.8. Excludes1 (not coded here): postinfectious encephalitis and encephalomyelitis NOS G04.01.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for G36.8 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • postinfectious encephalitis and encephalomyelitis NOS G04.01

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with G36.8?

Per Excludes1 instructions, G36.8 must not be reported with: postinfectious encephalitis and encephalomyelitis NOS (G04.01).

Codes in This Family (4)

Official ICD-10-CM classifications in the same code family as G36.8, with their registry titles.

  • G36 — Other acute disseminated demyelination
  • G36.0 — Neuromyelitis optica [Devic]
  • G36.1 — Acute and subacute hemorrhagic leukoencephalitis [Hurst]
  • G36.9 — Acute disseminated demyelination, unspecified

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Demyelination, demyelinization, disseminated, acute, specified NEC

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code G31.8 Other specified degenerative diseases of nervous system
ICD Code G32.8 Other specified degenerative disorders of nervous system in diseases classified elsewhere
ICD Code G37.8 Other specified demyelinating diseases of central nervous system
ICD Code G40.8 Other epilepsy and recurrent seizures
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