The Body Part Hepatic Vein 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 06Q4
Repair Hepatic Vein, Percutaneous Approach
Repair Hepatic Vein, Percutaneous Endoscopic Approach
Repair Hepatic Vein, Open Approach