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 B50Q0
Plain Radiography of R Pulm Vein using H Osm Contrast
Plain Radiography of R Pulm Vein using L Osm Contrast
Plain Radiography of Right Pulmonary Vein using Oth Contrast