ICD-10-CM Diagnosis Code K51.913
Diagnosis Code: K51.913 (Raw: K51913)
Description: Ulcerative colitis, unspecified with fistula
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 K51.913 is designated for Ulcerative colitis, unspecified with fistula. 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.