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M25.171

Billable

Fistula, right 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 right ankle joint that allows fluid or infection to drain to the skin surface.

Coding Tips

  • •Document the underlying cause (infection, osteomyelitis, or post-surgical) for complete clinical picture
  • •Ensure right ankle is specifically documented; do not use if laterality is unclear

Code Hierarchy

└M25Other joint disorder, not elsewhere classified└M25.1Fistula of joint└M25.17Fistula, ankle and foot└M25.171Fistula, right ankle
└M25.171Fistula, right ankle

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