The CPT code to use for irrigation of the sphenoid sinus is 31002. The procedure is also known as lavage by cannulation.
31002 - lavage by cannulation; sphenoid sinus
9838
427.81
marsuplization of the ramus
CPT code 11772. Excision of pilonidal cyst or sinus; complicated.
29862
CPT code 11772. Excision of pilonidal cyst or sinus; complicated.
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9838
CPT: 93282
31255
A4217 sterile water saline