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 CW1DSZ
Planar Nucl Med Imag of Low Extrem using Oth Radionuclide
Planar Nucl Med Imag of Low Extrem using Technetium 99m
Planar Nucl Med Imag of Low Extrem using Gallium 67
Planar Nucl Med Imag of Low Extrem using Iodine 123
Planar Nucl Med Imag of Low Extrem using Thallium 201
Planar Nucl Med Imag of Low Extrem using Indium 111
Planar Nucl Med Imag of Low Extrem using Iodine 131