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 CW5JYZ
Nonimag Nucl Med Prob of Pelvic Region using Technetium 99m
Nonimag Nucl Med Prob Pelvic Region w Oth Radionuclide
Nonimag Nucl Med Prob of Pelvic Region using Indium 111