M17.3

ICD-10Non-billable category

Unilateral post-traumatic osteoarthritis of knee

Official ICD-10-CM descriptor (FY2026)

Unilateral post-traumatic osteoarthritis of knee

M17.3 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.

Inclusion terms

  • Post-traumatic osteoarthritis of knee NOS

ICD-10-CM FY2026 defines 3 codes beneath M17.3. See the ICD-10-CM index for what this site publishes.

Related codes in M17

Where this code sits

Parent code
M17

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Source

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.

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