Malignant neoplasm of accessory sinuses - C31

 Codes

• 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