The Body Part Ulnar Nerve is identified by number "4" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 01Q4
Repair Ulnar Nerve, Percutaneous Endoscopic Approach
Repair Ulnar Nerve, Open Approach
Repair Ulnar Nerve, Percutaneous Approach