ICD-10-CM Diagnosis Code K63.8219
Diagnosis Code: K63.8219 (Raw: K638219)
Description: Small intestinal bacterial overgrowth, unspecified
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 K63.8219 is designated for Small intestinal bacterial overgrowth, unspecified. 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.