ICD-10-CM › K00-K95 › K55-K64 › K63.82 Intestinal microbial overgrowth › K63.821

K63.821

Small intestinal bacterial overgrowth

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2024 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • K63.8211 Small intestinal bacterial overgrowth, hydrogen-subtype
  • K63.8212 Small intestinal bacterial overgrowth, hydrogen sulfide-subtype
  • K63.8219 Small intestinal bacterial overgrowth, unspecified

What has happened to this code

Every change the publisher made, from 2024 to now.

  1. FY2024 Added to the code set Small intestinal bacterial overgrowth

Codes in the same group

CodeDescriptionStatus
K63.822 Small intestinal fungal overgrowth Valid
K63.829 Intestinal methanogen overgrowth, unspecified Valid