The Contrast None is identified by letter "Z" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BU12Z
Fluoroscopy of Bilateral Fallopian Tubes
Fluoroscopy of Bi Fallop Tube using L Osm Contrast
Fluoroscopy of Bilateral Fallopian Tubes using Oth Contrast
Fluoroscopy of Bi Fallop Tube using H Osm Contrast