M66.879
BillableSpontaneous rupture of other tendons, unspecified ankle and foot
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A spontaneous tear or rupture of a tendon in the ankle and foot area when the specific side (left or right) is not documented or is bilateral.
Coding Tips
- •Use this code only when laterality cannot be determined from the medical record
- •Query the provider if documentation indicates bilateral involvement, as separate codes may be more appropriate
Code Hierarchy
└M66Spontaneous rupture of synovium and tendon└M66.8Spontaneous rupture of other tendons└M66.87Spontaneous rupture of other tendons, ankle and foot└M66.879Spontaneous rupture of other tendons, unspecified ankle and foot
└M66.879Spontaneous rupture of other tendons, unspecified ankle and foot