ICD-10-CM Diagnosis Code (2025)
Official Description for C12
Malignant neoplasm of pyriform sinus
Coding Notes & Guidelines for C12
Use Additional Code
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Inclusion Terms
Malignant neoplasm of pyriform fossa
About ICD-10-CM Code C12 (Malignant neoplasm of pyriform sinus)
ICD-10-CM code C12 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C12 became effective on October 1, 2024.
This page provides detailed information about C12 - Malignant neoplasm of pyriform sinus. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of pyriform sinus.