The Device No Device is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 04QS4Z
Repair Left Posterior Tibial Artery, Percutaneous Approach
Repair Left Posterior Tibial Artery, Perc Endo Approach
Repair Left Posterior Tibial Artery, Open Approach