ICD-10-CM
ICD-10 code for Demyelination, demyelinization in optic neuritis: G36.0
The ICD-10-CM index points "Demyelination, demyelinization in optic neuritis" to G36.0, Neuromyelitis optica [Devic]. G36.0 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in G36
A header groups codes and is not billed. A billable code is one you can report.
Excludes1
Excludes1 means these codes are not reported together.
From G36. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
Related conditions
Related pages
- G36.0 code detailsNotes, nearby codes, CMS-HCC group
- Category G36Every code under it
- Chapter 6Diseases of the nervous system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Demyelination, demyelinization in optic neuritis?
The ICD-10-CM index points "Demyelination, demyelinization in optic neuritis" to G36.0, Neuromyelitis optica [Devic]. G36.0 is a billable code.
Is G36.0 billable?
Yes. G36.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to G36.0?
The CDC tabular list gives 1 Excludes1 note (not coded together), 1 Excludes2 note (may be coded together when both are documented) for G36.0 and the categories above it. They are listed on this page.
What chapter is G36.0 in?
Chapter 6. Diseases of the nervous system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.