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 0KC40
Extirpate matter from Tongue/Palate/Phar Muscle, Perc Endo
Extirpate matter from Tongue/Palate/Phar Muscle, Open
Extirpate matter from Tongue/Palate/Phar Muscle, Perc