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 B939Z
Magnetic Resonance Imaging (MRI) of Bi Submandib Gland
MRI of Bi Submandib Gland using Oth Contrast, Unenh, Enhance
MRI of Bi Submandib Gland using Oth Contrast