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 B50V1
Plain Radiography of Other Veins using Other Contrast
Plain Radiography of Other Veins using Low Osmolar Contrast
Plain Radiography of Other Veins using High Osmolar Contrast