ICD-10-CM Codes
C00-D49 Neoplasms
C30-C39 Malignant neoplasms of respiratory and intrathoracic organs

Malignant neoplasm of accessory sinuses C31- >

Clinical Information

A primary or metastatic malignant neoplasm involving the paranasal sinuses.

Codes

C31 Malignant neoplasm of accessory sinuses
- 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