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 B028YZ
Computerized Tomography (CT Scan) of Cerebral Ventricle(s)
CT Scan of Cereb Vent using L Osm Contrast
CT Scan of Cereb Vent using H Osm Contrast, Unenh, Enhance
CT Scan of Cereb Vent using L Osm Contrast, Unenh, Enhance
CT Scan of Cereb Vent using H Osm Contrast
CT Scan of Cereb Vent using Oth Contrast, Unenh, Enhance
CT Scan of Cereb Vent using Oth Contrast