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G35.C

⚠ Non-billable (Header)

Secondary progressive multiple sclerosis

Diseases of the nervous system (G00-G99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ No additional coding notes for G35.C

Child Codes (3)

G35.C0Secondary progressive multiple sclerosis, unspecifiedG35.C1Active secondary progressive multiple sclerosisG35.C2Non-active secondary progressive multiple sclerosis

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Code Information

CodeG35.C
BillableNo — Header code
ParentG35
CategoryDiseases of the nervous system (G00-G99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)