M17.3 (Unilateral post-traumatic osteoarthritis of knee) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the musculoskeletal system and connective tissue chapter. It identifies cases of unilateral post-traumatic osteoarthritis of knee for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

M17.3 — Unilateral post-traumatic osteoarthritis of knee

Chapter M00-M99: Diseases of the musculoskeletal system and connective tissue

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Sub-codes under M17.3

M17.30Unilateral post-traumatic osteoarthritis, unspecified kneeM17.31Unilateral post-traumatic osteoarthritis, right kneeM17.32Unilateral post-traumatic osteoarthritis, left knee

Related diagnoses

M17.0Bilateral primary osteoarthritis of kneeM17.1Unilateral primary osteoarthritis of kneeM17.2Bilateral post-traumatic osteoarthritis of kneeM17.4Other bilateral secondary osteoarthritis of kneeM17.5Other unilateral secondary osteoarthritis of kneeM17.9Osteoarthritis of knee, unspecified

Common questions about M17.3 (Unilateral post-traumatic osteoarthritis of knee)

What does ICD-10 code M17.3 mean?
M17.3 is the ICD-10-CM 2025 code for Unilateral post-traumatic 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 M17.3 a billable diagnosis code?
M17.3 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under M17.3. Browse the sub-codes listed on this page.
Which ICD-10 chapter does M17.3 belong to?
M17.3 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 Unilateral post-traumatic osteoarthritis of knee?
For a plain-language explanation of Unilateral post-traumatic 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 Unilateral post-traumatic 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 ↗