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 CW20KZ
Tomo Nucl Med Imag of Abd using Iodine 123
Tomo Nucl Med Imag of Abd using Fluorine 18
Tomo Nucl Med Imag of Abd using Thallium 201
Tomo Nucl Med Imag of Abd using Technetium 99m
Tomo Nucl Med Imag of Abd using Gallium 67
Tomo Nucl Med Imag of Abd using Iodine 131
Tomo Nucl Med Imag of Abd using Oth Radionuclide
Tomo Nucl Med Imag of Abd using Indium 111