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 0KNL0
Release Left Abdomen Muscle, External Approach
Release Left Abdomen Muscle, Percutaneous Approach
Release Left Abdomen Muscle, Open Approach
Release Left Abdomen Muscle, Perc Endo Approach