The Contrast Low Osmolar is identified by number "1" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B50T1
Plain Radiography of Port/Splanch Vein using L Osm Contrast
Plain Radiography of Port/Splanch Vein using Oth Contrast
Plain Radiography of Port/Splanch Vein using H Osm Contrast