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 BQ0Y1
Plain Radiography of L Foot/Toe Jt using L Osm Contrast
Plain Radiography of L Foot/Toe Jt using H Osm Contrast
Plain Radiography of Left Foot/Toe Joint using Oth Contrast