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 0CCM0
Extirpation of Matter from Pharynx, Percutaneous Approach
Extirpation of Matter from Pharynx, Via Opening
Extirpation of Matter from Pharynx, Open Approach
Extirpation of Matter from Pharynx, Endo
Extirpation of Matter from Pharynx, Perc Endo Approach