G36.0 Neuromyelitis optica [Devic]

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Neuromyelitis optica [Devic] is G36.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
G35-G37: Demyelinating diseases of the central nervous system (G35-G37)
Category G36
5 codes (4 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G36.0:

  • Neuroencephalomyelopathy, optic
  • Ophthalmoneuromyelitis
  • Devic's disease
  • Neuromyelitis › optica
  • Demyelination, demyelinization › in optic neuritis
  • Disease, diseased › Devic's
  • Myelitis (acute) (ascending) (childhood) (chronic) (descending) (diffuse) (disseminated) (idiopathic) (pressure) (progressive) (spinal cord) (subacute) › optic neuritis in
  • Neuritis (rheumatoid) › optic (nerve) (hereditary) (sympathetic) › in myelitis
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • optic neuritis NOS (H46)

Inclusion Terms

  • Demyelination in optic neuritis

U.S. Hospital Utilization

  • An estimated 4,705 U.S. inpatient stays in 2023 included G36.0 among the documented diagnoses.
  • 1,880 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference G36.0 with the canonical source and edition:

G36.0 — Neuromyelitis optica [Devic]. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G36.0

Canonical URL: https://icd10codingpro.com/codes/G36.0

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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