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 BP3GZ
Magnetic Resonance Imaging (MRI) of Right Elbow
MRI of R Elbow using Oth Contrast, Unenh, Enhance
MRI of R Elbow using Oth Contrast