The Approach Percutaneous is identified by number "3" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0NNL3
Release Left Palatine Bone, Percutaneous Approach
Release Left Palatine Bone, Percutaneous Endoscopic Approach
Release Left Palatine Bone, Open Approach