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 BU121
Fluoroscopy of Bi Fallop Tube using L Osm Contrast
Fluoroscopy of Bi Fallop Tube using H Osm Contrast
Fluoroscopy of Bilateral Fallopian Tubes
Fluoroscopy of Bilateral Fallopian Tubes using Oth Contrast