G35: Multiple sclerosis
Codes under G35 (Multiple sclerosis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G35.A | Relapsing-remitting multiple sclerosis | ✓ |
| G35.A | Relapsing-remitting multiple sclerosis | ✓ |
| G35.B | Primary progressive multiple sclerosis | — |
| G35.B | Primary progressive multiple sclerosis | — |
| G35.B0 | Primary progressive multiple sclerosis, unspecified | ✓ |
| G35.B0 | Primary progressive multiple sclerosis, unspecified | ✓ |
| G35.B1 | Active primary progressive multiple sclerosis | ✓ |
| G35.B1 | Active primary progressive multiple sclerosis | ✓ |
| G35.B2 | Non-active primary progressive multiple sclerosis | ✓ |
| G35.B2 | Non-active primary progressive multiple sclerosis | ✓ |
| G35.C | Secondary progressive multiple sclerosis | — |
| G35.C | Secondary progressive multiple sclerosis | — |
| G35.C0 | Secondary progressive multiple sclerosis, unspecified | ✓ |
| G35.C0 | Secondary progressive multiple sclerosis, unspecified | ✓ |
| G35.C1 | Active secondary progressive multiple sclerosis | ✓ |
| G35.C1 | Active secondary progressive multiple sclerosis | ✓ |
| G35.C2 | Non-active secondary progressive multiple sclerosis | ✓ |
| G35.C2 | Non-active secondary progressive multiple sclerosis | ✓ |
| G35.D | Multiple sclerosis, unspecified | ✓ |
| G35.D | Multiple sclerosis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code G35?
G35 is an ICD-10-CM category covering Multiple sclerosis. It contains 20 more specific diagnosis codes, 16 of which are billable.
Is G35 a billable code?
No — G35 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G35.A — Relapsing-remitting multiple sclerosis). 16 of the 20 codes under G35 are billable.
What codes fall under G35?
G35 includes G35.A, G35.A, G35.B, G35.B, G35.B0, plus 15 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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