Billable / Specific Code
ICD-10-CM C12 is the diagnosis code for Malignant neoplasm of pyriform sinus. This code falls under the section "Malignant neoplasms of lip, oral cavity and pharynx" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where C12 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, C12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
C12 is the ICD-10-CM diagnosis code for "Malignant neoplasm of pyriform sinus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
C12 is located in Section C00-C14 — "Malignant neoplasms of lip, oral cavity and pharynx" within Chapter 2 of the ICD-10-CM Tabular List.
Use C12 when the patients documented diagnosis matches "Malignant neoplasm of pyriform sinus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Malignant neoplasm of pyriform sinus is C12.
Yes, C12 can be used as a primary diagnosis code since it is billable and specific.
C12 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C12 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.