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 BR021Z
Plain Radiography of Thoracic Disc(s) using H Osm Contrast
Plain Radiography of Thoracic Disc(s)
Plain Radiography of Thoracic Disc(s) using Other Contrast
Plain Radiography of Thoracic Disc(s) using L Osm Contrast