M19.91
BillablePrimary osteoarthritis, unspecified site
M19.91 is the ICD-10-CM code for Primary osteoarthritis, unspecified site. It is a billable, specific code valid for reimbursement.
M00-M99 Diseases of the musculoskeletal system and connective tissue
Includes
- •Primary osteoarthritis NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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