ICD-10-CM Diagnosis Code K60.421
Diagnosis Code: K60.421 (Raw: K60421)
Description: Rectal fistula, complex, initial
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).
Overview & Clinical Details
ICD-10-CM code K60.421 is designated for Rectal fistula, complex, initial. 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.