The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09CV0
Extirpation of Matter from Left Ethmoid Sinus, Endo
Extirpation of Matter from Left Ethmoid Sinus, Open Approach
Extirpation of Matter from Left Ethmoid Sinus, Perc Approach
Extirpate of Matter from L Ethmoid Sinus, Perc Endo Approach