M66.28
BillableSpontaneous rupture of extensor tendons, other site
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A sudden, unexpected tearing of the extensor tendons in body locations other than the shoulder, elbow, wrist, hand, hip, knee, lower leg, or ankle/foot.
Coding Tips
- •Document the specific anatomical site in the medical record for clarity
- •Use this code only when the rupture site does not fit into other more specific M66.2x categories
Code Hierarchy
└M66Spontaneous rupture of synovium and tendon└M66.2Spontaneous rupture of extensor tendons└M66.28Spontaneous rupture of extensor tendons, other site
└M66.28Spontaneous rupture of extensor tendons, other site