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 B8021
Plain Radiography of Bi Lacrimal Duct using L Osm Contrast
Plain Radiography of Bi Lacrimal Duct using Oth Contrast
Plain Radiography of Bi Lacrimal Duct using H Osm Contrast