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.B	Primary progressive multiple sclerosis	—
G35.B0	Primary progressive multiple sclerosis, unspecified	✓
G35.B1	Active primary progressive multiple sclerosis	✓
G35.B2	Non-active primary progressive multiple sclerosis	✓
G35.C	Secondary progressive multiple sclerosis	—
G35.C0	Secondary progressive multiple sclerosis, unspecified	✓
G35.C1	Active secondary progressive multiple sclerosis	✓
G35.C2	Non-active secondary progressive multiple sclerosis	✓
G35.D	Multiple sclerosis, unspecified	✓

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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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