ICD-10 Code C12 - Malignant neoplasm of pyriform sinus

ICD-10-CM Diagnosis Code C12

Diagnosis Code: C12 (Raw: C12)

Description: Malignant neoplasm of pyriform sinus

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 C12 is designated for Malignant neoplasm of pyriform sinus. 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.