The Body System or Region Vein is identified by number "8" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 3028
Transfusion of Nonaut 4-Factor PCC into Vein, Perc Approach
Transfusion of Nonaut 4-Factor PCC into Vein, Open Approach