G35.C
ICD-10Non-billable categorySecondary progressive multiple sclerosis
Official ICD-10-CM descriptor (FY2026)
Secondary progressive multiple sclerosis
G35.C is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 3 codes beneath G35.C. See the ICD-10-CM index for what this site publishes.
Related codes in G35
Where this code sits
- Parent code
- G35
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.