ICD-10-CM Diagnosis Code (2025)
Official Description for C13
Malignant neoplasm of hypopharynx
Coding Notes & Guidelines for C13
malignant neoplasm of pyriform sinus (C12)
malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect (C32.1)
- 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)
- Malignant neoplasm of aryepiglottic fold, marginal zone
- Malignant neoplasm of aryepiglottic fold NOS
- Malignant neoplasm of interarytenoid fold, marginal zone
- Malignant neoplasm of interarytenoid fold NOS
Malignant neoplasm of hypopharyngeal wall NOS
Child Codes (More Specific Codes for C13):
About ICD-10-CM Code C13 (Malignant neoplasm of hypopharynx)
ICD-10-CM code C13 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 C13 became effective on October 1, 2024.
This page provides detailed information about C13 - Malignant neoplasm of hypopharynx. 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 hypopharynx.