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 09CR0
Extirpation of Matter from L Maxillary Sinus, Open Approach
Extirpation of Matter from L Maxillary Sinus, Perc Approach
Extirpation of Matter from Left Maxillary Sinus, Endo
Extirpate matter from L Maxillary Sinus, Perc Endo