C31 Malignant neoplasm of accessory sinuses

Codes

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