ICD-10-CM Diagnosis Code K63.8211
Diagnosis Code: K63.8211 (Raw: K638211)
Description: Small intestinal bacterial overgrowth, hydrogen-subtype
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code K63.8211 is designated for Small intestinal bacterial overgrowth, hydrogen-subtype. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.