The Qualifier None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BF101Z
Fluoroscopy of Bile Ducts using High Osmolar Contrast
Fluoroscopy of Bile Ducts using Low Osmolar Contrast
Fluoroscopy of Bile Ducts using Other Contrast