ICD-10-CM Diagnosis Code K35.891
Diagnosis Code: K35.891 (Raw: K35891)
Description: Other acute appendicitis without perforation, with gangrene
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 K35.891 is designated for Other acute appendicitis without perforation, with gangrene. 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.
