M89.779
BillableMajor osseous defect, 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 significant loss or defect in bone structure affecting the ankle and foot when the specific side is not documented or is bilateral.
Coding Tips
- •Use this code only when laterality cannot be determined from documentation
- •Query provider if records indicate a specific side to allow for more precise coding
Code Hierarchy
└M89Other disorders of bone└M89.7Major osseous defect└M89.77Major osseous defect, ankle and foot└M89.779Major osseous defect, unspecified ankle and foot
└M89.779Major osseous defect, unspecified ankle and foot