10ICD Code Hub

K63.8211

Billable code

Small intestinal bacterial overgrowth, hydrogen-subtype

The ICD-10 code for small intestinal bacterial overgrowth, hydrogen-subtype is K63.8211.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

Associated MS-DRGs

K63.8211 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.