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 BT070Z
Plain Radiography of Left Ureter
Plain Radiography of Left Ureter using Low Osmolar Contrast
Plain Radiography of Left Ureter using Other Contrast
Plain Radiography of Left Ureter using High Osmolar Contrast