M25.173
BillableFistula, unspecified ankle
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
An abnormal tunnel or opening in the ankle joint of unspecified side that allows fluid or infection to drain to the skin surface.
Coding Tips
- •Use only when laterality cannot be determined from documentation
- •Query provider if right or left ankle can be identified from clinical notes or imaging
Code Hierarchy
└M25Other joint disorder, not elsewhere classified└M25.1Fistula of joint└M25.17Fistula, ankle and foot└M25.173Fistula, unspecified ankle
└M25.173Fistula, unspecified ankle