C09.9

Applicable To

• Malignant neoplasm of tonsil NOS

• Malignant neoplasm of faucial tonsils

• Malignant neoplasm of palatine tonsils

Approximate Synonyms

• Cancer of the tonsil

• Cancer of the tonsil, palatine, squamous cell

• Primary malignant neoplasm of tonsil

• Primary squamous cell carcinoma of tonsil palatine

Clinical Information

• Malignant neoplasm of the tonsils

• Malignant neoplasm of the tonsils.

Details

• C09.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM C09.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of C09.9 – other international versions of ICD-10 C09.9 may differ.