The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 06550
Destruction of Superior Mesenteric Vein, Open Approach
Destruction of Superior Mesenteric Vein, Perc Approach
Destruction of Superior Mesenteric Vein, Perc Endo Approach