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 09CG0
Extirpation of Matter from Left Eustachian Tube, Via Opening
Extirpation of Matter from L Eustach Tube, Perc Approach
Extirpation of Matter from Left Eustachian Tube, Endo
Extirpate of Matter from L Eustach Tube, Perc Endo Approach
Extirpation of Matter from L Eustach Tube, Open Approach