G35.C2: Non-active secondary progressive multiple sclerosis

New code · FY2026

Billable: use this code on claims.

• New code, effective October 1, 2025 (FY2026).

Code breakdown

Coding notes

Inclusion terms

• Secondary progressive multiple sclerosis without evidence of inflammatory disease activity

Medicare coverage

G35.C2 is listed as a covered diagnosis in 56 Medicare billing and coding articles:

• A52996 Billing and Coding: Routine Foot Care
• A53060 Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
• A54095 Billing and Coding: Nerve Conduction Studies and Electromyography
• A54969 Billing and Coding: Nerve Conduction Studies and Electromyography
• A55639 Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
• A56232 Billing and Coding: Foot Care
• A56551 Billing and Coding: Visual Fields Testing
• A56612 Billing and Coding: CT of the Head
• A56619 Billing and Coding: Nerve Conduction Studies and Electromyography
• A56621 Billing and Coding: Swallowing Studies for Dysphagia

…and 46 more. Check the coverage tool for your CPT code.

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.