ICD-10-CM C14: Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx

ICD-10-CM Diagnosis Code (2025)

Official Description for C14

Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx

Coding Notes & Guidelines for C14

Excludes1: Not Coded Here

malignant neoplasm of oral cavity NOS (C06.9)

Excludes1: Not Coded Here

'book leaf' neoplasm [ventral surface of tongue and floor of mouth] (C06.89)

Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • 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

Primary malignant neoplasm of two or more contiguous sites of lip, oral cavity and pharynx

Child Codes (More Specific Codes for C14):

C14.0 - Malignant neoplasm of pharynx, unspecified C14.2 - Malignant neoplasm of Waldeyer's ring C14.8 - Malignant neoplasm of overlapping sites of lip, oral cavity and pharynx

About ICD-10-CM Code C14 (Malignant neoplasm of other and ill-defined sites in the lip)

ICD-10-CM code C14 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 C14 became effective on October 1, 2024.

This page provides detailed information about C14 - Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx. 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 other and ill-defined sites in the lip related to oral cavity and pharynx.