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 B430Z
Magnetic Resonance Imaging (MRI) of Abdominal Aorta
MRI of Abd Aorta using Oth Contrast
MRI of Abd Aorta using Oth Contrast, Unenh, Enhance