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 BF131
Fluoroscopy of Gallbladder and Bile Ducts using Oth Contrast
Fluoroscopy of Gallbladder & Bile Duct using H Osm Contrast
Fluoroscopy of Gallbladder & Bile Duct using L Osm Contrast