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 0KQ40
Repair Tongue, Palate, Pharynx Muscle, Perc Endo Approach
Repair Tongue, Palate, Pharynx Muscle, Percutaneous Approach
Repair Tongue, Palate, Pharynx Muscle, Open Approach