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 BR39Z
MRI of Lumbar Spine using Oth Contrast, Unenh, Enhance
Magnetic Resonance Imaging (MRI) of Lumbar Spine
MRI of Lumbar Spine using Oth Contrast