ICD-10-CM · Category
M17 — Osteoarthritis of knee
Chapter M00-M99: Diseases of the musculoskeletal system and connective tissue
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M17.0Bilateral primary osteoarthritis of kneeM17.1Unilateral primary osteoarthritis of kneeM17.2Bilateral post-traumatic osteoarthritis of kneeM17.3Unilateral post-traumatic osteoarthritis of kneeM17.4Other bilateral secondary osteoarthritis of kneeM17.5Other unilateral secondary osteoarthritis of kneeM17.9Osteoarthritis of knee, unspecified
Common questions about M17 (Osteoarthritis of knee)
What does ICD-10 code M17 mean?
M17 is the ICD-10-CM 2025 code for Osteoarthritis of knee. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is M17 a billable diagnosis code?
M17 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under M17. Browse the sub-codes listed on this page.
Which ICD-10 chapter does M17 belong to?
M17 belongs to the chapter "Diseases of the musculoskeletal system and connective tissue" (codes M00-M99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Osteoarthritis of knee?
For a plain-language explanation of Osteoarthritis of knee, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Osteoarthritis of knee" above to get a personalised answer.
Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗