The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0LNVX
Release Right Foot Tendon, External Approach
Release Right Foot Tendon, Percutaneous Endoscopic Approach
Release Right Foot Tendon, Percutaneous Approach
Release Right Foot Tendon, Open Approach