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M17.5

Billable

Other unilateral secondary osteoarthritis of knee

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Osteoarthritis of one knee caused by factors other than primary wear-and-tear or post-traumatic injury, such as metabolic or inflammatory conditions.

Coding Tips

  • •Identify and document the underlying secondary cause to support medical necessity
  • •Pair with laterality codes (M17.51 for right, M17.52 for left) when available in documentation

Code Hierarchy

└M17Osteoarthritis of knee└M17.5Other unilateral secondary osteoarthritis of knee
└M17.5Other unilateral secondary osteoarthritis of knee

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