What is the cpt codes for maxillary sinus irrigation?

The CPT code for maxillary sinus irrigation is typically 31231, which refers to "Nasal/sinus endoscopy, surgical; with maxillary sinus irrigation." This procedure involves the use of endoscopic techniques to irrigate the maxillary sinus. It's important to verify coding with current guidelines or a coding specialist, as codes may change or vary based on specific circumstances.