The Contrast None is identified by letter "Z" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BP2GZ
CT Scan of R Elbow using Oth Contrast
CT Scan of R Elbow using H Osm Contrast
CT Scan of R Elbow using L Osm Contrast
Computerized Tomography (CT Scan) of Right Elbow