M17.4
BillableOther bilateral 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 affecting both knees caused by factors other than primary wear-and-tear or post-traumatic injury, such as metabolic or inflammatory conditions.
Coding Tips
- •Document the underlying secondary cause (e.g., hemochromatosis, acromegaly) when possible for complete coding
- •Bilateral designation means both knees are affected; do not assign additional laterality codes
Code Hierarchy
└M17Osteoarthritis of knee└M17.4Other bilateral secondary osteoarthritis of knee
└M17.4Other bilateral secondary osteoarthritis of knee