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K31.6

Billable

Fistula of stomach and duodenum

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

What This Code Means

An abnormal connection or opening between the stomach and duodenum, or between these organs and other structures, allowing contents to leak between them.

Coding Tips

  • Document the type of fistula and what structures are involved
  • Often results from ulcer disease or surgical complications

Code Also

  • , if applicable, disruption of internal operation (surgical) wound (T81.32-)

Code Hierarchy

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