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 045B0
Destruction of Inf Mesent Art, Perc Endo Approach
Destruction of Inferior Mesenteric Artery, Perc Approach
Destruction of Inferior Mesenteric Artery, Open Approach