The Body Part Eustachian Tube, Left is identified by letter "G" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09CG
Extirpation of Matter from L Eustach Tube, Open Approach
Extirpation of Matter from L Eustach Tube, Perc Approach
Extirpate of Matter from L Eustach Tube, Perc Endo Approach
Extirpation of Matter from Left Eustachian Tube, Via Opening
Extirpation of Matter from Left Eustachian Tube, Endo