ICD-10-CM > C00-D49 > C00-C14 > C09 > C09.9 C09.9 Malignant neoplasm of tonsil, unspecified Billable/Specific Copy Code Copy Description Applicable To Malignant neoplasm of tonsil NOSMalignant neoplasm of faucial tonsilsMalignant neoplasm of palatine tonsils