C31
Malignant neoplasm of accessory sinuses
Non-billableCategory
Specific Codes (6)
C31.0Billable
Malignant neoplasm of maxillary sinus
C31.1Billable
Malignant neoplasm of ethmoidal sinus
C31.2Billable
Malignant neoplasm of frontal sinus
C31.3Billable
Malignant neoplasm of sphenoid sinus
C31.8Billable
Malignant neoplasm of overlapping sites of accessory sinuses
C31.9Billable
Malignant neoplasm of accessory sinus, unspecified
