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 BP21YZ
CT Scan of L Sternoclav Jt using L Osm Contrast
CT Scan of L Sternoclav Jt using Oth Contrast
CT Scan of L Sternoclav Jt using H Osm Contrast