M05.8
ICD-10Non-billable categoryOther rheumatoid arthritis with rheumatoid factor
Official ICD-10-CM descriptor (FY2026)
Other rheumatoid arthritis with rheumatoid factor
M05.8 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 10 codes beneath M05.8. See the ICD-10-CM index for what this site publishes.
Related codes in M05
- M05.0Felty's syndromecategory
- M05.1Rheumatoid lung disease with rheumatoid arthritiscategory
- M05.2Rheumatoid vasculitis with rheumatoid arthritiscategory
- M05.3Rheumatoid heart disease with rheumatoid arthritiscategory
- M05.4Rheumatoid myopathy with rheumatoid arthritiscategory
- M05.5Rheumatoid polyneuropathy with rheumatoid arthritiscategory
- M05.6Rheumatoid arthritis w involvement of oth organs and systemscategory
- M05.7Rheumatoid arthritis w rheumatoid factor w/o org/sys involvcategory
- M05.9Rheumatoid arthritis with rheumatoid factor, unspecified
- M05.AAbn rheu fctr & anti-citrul protein antibody w rheu arthrit
Where this code sits
- Parent code
- M05
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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.