The Body Part Lower Vein is identified by letter "Y" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 06CY
Extirpation of Matter from Lower Vein, Open Approach
Extirpation of Matter from Lower Vein, Perc Endo Approach
Extirpation of Matter from Lower Vein, Percutaneous Approach