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 BH32Z
MRI of Bi Breast using Oth Contrast
Magnetic Resonance Imaging (MRI) of Bilateral Breasts
MRI of Bi Breast using Oth Contrast, Unenh, Enhance