The Body Part Portal 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 06C8
Extirpation of Matter from Portal Vein, Open Approach
Extirpation of Matter from Portal Vein, Perc Approach
Extirpation of Matter from Portal Vein, Perc Endo Approach