The Body Part Accessory Sinus is identified by letter "P" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09CP
Extirpation of Matter from Accessory Sinus, Perc Approach
Extirpation of Matter from Accessory Sinus, Endo
Extirpation of Matter from Accessory Sinus, Open Approach
Extirpate of Matter from Accessory Sinus, Perc Endo Approach