The Qualifier None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BU39YZ
Magnetic Resonance Imaging (MRI) of Vagina
MRI of Vagina using Oth Contrast
MRI of Vagina using Oth Contrast, Unenh, Enhance