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 B223YZ
CT Scan Mult Cor A Graft w L Osm Contrast, Unenh, Enhance
CT Scan Mult Cor A Graft w Oth Contrast, Unenh, Enhance
CT Scan of Mult Cor A Graft using Intravasc Optic Cohere
Computerized Tomography (CT Scan) of Mult Cor A Graft
CT Scan of Mult Cor A Graft using L Osm Contrast
CT Scan of Mult Cor A Graft using H Osm Contrast
CT Scan of Mult Cor A Graft using Oth Contrast
CT Scan Mult Cor A Graft w H Osm Contrast, Unenh, Enhance