ICD-10 Code: C09.0 – Malignant neoplasm of tonsillar fossa
ICD-10 code C09.0 corresponds to Malignant neoplasm of tonsillar fossa. This code is classified under the chapter C09 Malignant neoplasm of tonsil, which is part of the C00-C96: Malignant neoplasms category.
The parent chapter is Neoplasms.