ICD-10-CM C09.9: Malignant neoplasm of tonsil, unspecified

ICD-10-CM Diagnosis Code (2025)

Official Description for C09.9

Malignant neoplasm of tonsil, unspecified

Coding Notes & Guidelines for C09.9

Inclusion Terms
  • Malignant neoplasm of tonsil NOS
  • Malignant neoplasm of faucial tonsils
  • Malignant neoplasm of palatine tonsils

Parent Code (Less Specific):

About ICD-10-CM Code C09.9 (Malignant neoplasm of tonsil)

ICD-10-CM code C09.9 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 C09.9 became effective on October 1, 2024.

This page provides detailed information about C09.9 - Malignant neoplasm of tonsil, unspecified. 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 tonsil related to unspecified.