G35.C Secondary progressive multiple sclerosis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Secondary progressive multiple sclerosis is G35.C (FY2026). It is a non-billable category code — select a more specific code below for claims.

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

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference G35.C with the canonical source and edition:

G35.C — Secondary progressive multiple sclerosis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G35.C

Canonical URL: https://icd10codingpro.com/codes/G35.C

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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