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 BU10Z
Fluoroscopy of Right Fallopian Tube using Other Contrast
Fluoroscopy of Right Fallopian Tube using L Osm Contrast
Fluoroscopy of Right Fallopian Tube
Fluoroscopy of Right Fallopian Tube using H Osm Contrast