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K60.321

Billable

Anal fistula, complex, initial

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A complicated abnormal tunnel between the anal canal and nearby skin with multiple tracts or branches that is being treated for the first time.

Coding Tips

  • •Complex fistulas have multiple tracts, branches, or involve deeper tissue structures
  • •Document the complexity characteristics to support selection of this code over simple fistula codes

Code Hierarchy

└K60Fissure and fistula of anal and rectal regions└K60.3Anal fistula└K60.32Anal fistula, complex└K60.321Anal fistula, complex, initial
└K60.321Anal fistula, complex, initial

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