Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM K63.821 — Small intestinal bacterial ov… | Codelle

ICD-10-CM/K63.82/K63.821

K63.821

ICD-10-CM

Small intestinal bacterial overgrowth

Code Hierarchy

▲K63.82Intestinal microbial overgrowth

K63.821(current)

Subcodes (3)

K63.8211Small intestinal bacterial overgrowth, hydrogen-subtype

K63.8212Small intestnl bact overgrowth, hydrogen sulfide-subtype

K63.8219Small intestinal bacterial overgrowth, unspecified

Same Category

K63Other diseases of intestine K63.0Abscess of intestine K63.1Perforation of intestine (nontraumatic)K63.2Fistula of intestine K63.3Ulcer of intestine K63.4Enteroptosis K63.5Polyp of colon K63.8Other specified diseases of intestine K63.81Dieulafoy lesion of intestine K63.82Intestinal microbial overgrowth

+5 more in this category