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K63.8211

Billable

Small intestinal bacterial overgrowth, hydrogen-subtype

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

What This Code Means

An overgrowth of hydrogen-producing bacteria in the small intestine that disrupts normal digestion and causes bloating, gas, and abdominal discomfort.

Coding Tips

  • •This code requires documentation of SIBO testing results confirming hydrogen-subtype
  • •Document associated symptoms like diarrhea, constipation, or malabsorption

Code Hierarchy

└K63Other diseases of intestine└K63.8Other specified diseases of intestine└K63.82Intestinal microbial overgrowth└K63.821Small intestinal bacterial overgrowth└K63.8211Small intestinal bacterial overgrowth, hydrogen-subtype
└K63.8211Small intestinal bacterial overgrowth, hydrogen-subtype

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