ICD-10-CM C01: Malignant neoplasm of base of tongue

ICD-10-CM Diagnosis Code (2025)

Official Description for C01

Malignant neoplasm of base of tongue

Coding Notes & Guidelines for C01

Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • history of tobacco dependence (Z87.891)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
Inclusion Terms
  • Malignant neoplasm of dorsal surface of base of tongue
  • Malignant neoplasm of fixed part of tongue NOS
  • Malignant neoplasm of posterior third of tongue

About ICD-10-CM Code C01 (Malignant neoplasm of base of tongue)

ICD-10-CM code C01 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 C01 became effective on October 1, 2024.

This page provides detailed information about C01 - Malignant neoplasm of base of tongue. 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 base of tongue.