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 B53HZ
Magnetic Resonance Imaging (MRI) of Bi Pelvic Vein
MRI of Bi Pelvic Vein using Oth Contrast, Unenh, Enhance
MRI of Bi Pelvic Vein using Oth Contrast