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 BQ01YZ
Plain Radiography of Left Hip, Densitometry
Plain Radiography of Left Hip using Low Osmolar Contrast
Plain Radiography of Left Hip
Plain Radiography of Left Hip using High Osmolar Contrast
Plain Radiography of Left Hip using Other Contrast