G35.B0 Primary progressive multiple sclerosis, unspecified
✓ Billable
ICD-10-CM 2026
The ICD-10-CM code for Primary progressive multiple sclerosis, unspecified is G35.B0 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- G35-G37: Demyelinating diseases of the central nervous system (G35-G37)
- Category G35
- 11 codes (8 billable)
- FY2026 Status
- New code in FY2026
Also Known As
ICD-10-CM Alphabetic Index entries that lead to G35.B0:
- Sclerosis, sclerotic › multiple (brain stem) (cerebral) (disseminated) (generalized) (spinal cord) › progressive › primary
Official Coding Guidelines
Dominant/nondominant side (TOC entry)a. Dominant/nondominant side ................................................................................................. 45
Pain - Category G89 (TOC entry)b. Pain - Category G89.............................................................................................................. 45
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026