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 BF35Z
MRI of Liver using Oth Contrast, Unenh, Enhance
Magnetic Resonance Imaging (MRI) of Liver
Magnetic Resonance Imaging (MRI) of Liver using Oth Contrast