The Contrast High Osmolar 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 B50W0
Plain Radiography of Dialysis Shunt using L Osm Contrast
Plain Radiography of Dialysis Shunt using Oth Contrast
Plain Radiography of Dialysis Shunt using H Osm Contrast