M35.8
ICD-10Non-billable categoryOther specified systemic involvement of connective tissue
Official ICD-10-CM descriptor (FY2026)
Other specified systemic involvement of connective tissue
M35.8 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 2 codes beneath M35.8. See the ICD-10-CM index for what this site publishes.
Related codes in M35
- M35.0Sjogren syndromecategory
- M35.1Other overlap syndromes
- M35.2Behcet's disease
- M35.3Polymyalgia rheumatica
- M35.4Diffuse (eosinophilic) fasciitis
- M35.5Multifocal fibrosclerosis
- M35.6Relapsing panniculitis [Weber-Christian]
- M35.7Hypermobility syndrome
- M35.9Systemic involvement of connective tissue, unspecified
Where this code sits
- Parent code
- M35
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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.