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 BW11YZ
Fluoroscopy of Abdomen and Pelvis using H Osm Contrast
Fluoroscopy of Abdomen and Pelvis using Low Osmolar Contrast
Fluoroscopy of Abdomen and Pelvis
Fluoroscopy of Abdomen and Pelvis using Other Contrast