C31.0

Maxillary sinus

Coding guidance (WHO 2019)

Antrum (Highmore)(maxillary)

Sibling codes

C31Malignant neoplasm of accessory sinuses C31.1Ethmoidal sinus C31.2Frontal sinus C31.3Sphenoidal sinus C31.8Overlapping lesion of accessory sinuses C31.9Accessory sinus, unspecified