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 BU161Z
Fluoroscopy of Uterus using Other Contrast
Fluoroscopy of Uterus using Low Osmolar Contrast
Fluoroscopy of Uterus using High Osmolar Contrast
Fluoroscopy of Uterus