- Codes Description
- C31.0
Malignant neoplasm of maxillary sinus
- C31.1
Malignant neoplasm of ethmoidal sinus
- C31.2
Malignant neoplasm of frontal sinus
- C31.3
Malignant neoplasm of sphenoid sinus
- C31.8
Malignant neoplasm of overlapping sites of accessory sinuses
- C31.9
Malignant neoplasm of accessory sinus, unspecified