Demyelinating diseases of the central nervous system
27 codes in this section
About Section G35-G37
Section G35-G37 (G35-G37) covers demyelinating diseases of the central nervous system. It sits within the Diseases of the nervous system chapter (G00-G99). This section contains 27 ICD-10-CM codes, 21 billable diagnoses you can submit on a claim, and 6 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in G35-G37
Grouped by 3-character root code. Click any code for full detail.
| G35.A | Relapsing-remitting multiple sclerosis | Billable |
| G35.B | Primary progressive multiple sclerosis | Header |
| G35.B0 | Primary progressive multiple sclerosis, unspecified | Billable |
| G35.B1 | Active primary progressive multiple sclerosis | Billable |
| G35.B2 | Non-active primary progressive multiple sclerosis | Billable |
| G35.C | Secondary progressive multiple sclerosis | Header |
| G35.C0 | Secondary progressive multiple sclerosis, unspecified | Billable |
| G35.C1 | Active secondary progressive multiple sclerosis | Billable |
| G35.C2 | Non-active secondary progressive multiple sclerosis | Billable |
| G35.D | Multiple sclerosis, unspecified | Billable |
| G36.0 | Neuromyelitis optica [Devic] | Billable |
| G36.1 | Acute and subacute hemorrhagic leukoencephalitis [Hurst] | Billable |
| G36.8 | Other specified acute disseminated demyelination | Billable |
| G36.9 | Acute disseminated demyelination, unspecified | Billable |
| G37.0 | Diffuse sclerosis of central nervous system | Billable |
| G37.1 | Central demyelination of corpus callosum | Billable |
| G37.2 | Central pontine myelinolysis | Billable |
| G37.3 | Acute transverse myelitis in demyelinating disease of central nervous system | Billable |
| G37.4 | Subacute necrotizing myelitis of central nervous system | Billable |
| G37.5 | Concentric sclerosis [Balo] of central nervous system | Billable |
| G37.8 | Other specified demyelinating diseases of central nervous system | Header |
| G37.81 | Myelin oligodendrocyte glycoprotein antibody disease | Billable |
| G37.89 | Other specified demyelinating diseases of central nervous system | Billable |
| G37.9 | Demyelinating disease of central nervous system, unspecified | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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