C09 Malignant neoplasm of tonsil
ICD-10-CM category C09 sits in Chapter 2 (Neoplasms, C00-D49). It contains 4 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in C09
| Code | Description |
|---|---|
C09.0 | Malignant neoplasm of tonsillar fossa |
C09.1 | Malignant neoplasm of tonsillar pillar (anterior) (posterior) |
C09.8 | Malignant neoplasm of overlapping sites of tonsil |
C09.9 | Malignant neoplasm of tonsil, unspecified |
Search within ICD-10-CM for C09 and related codes
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