ICD-10-CM Diagnosis Code K51.311
Diagnosis Code: K51.311 (Raw: K51311)
Description: Ulcerative (chronic) rectosigmoiditis with rectal bleeding
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 K51.311 is designated for Ulcerative (chronic) rectosigmoiditis with rectal bleeding. 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.