The Contrast None is identified by letter "Z" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BW2FZ
CT Scan of Neck using L Osm Contrast, Unenh, Enhance
Computerized Tomography (CT Scan) of Neck
CT Scan of Neck using Oth Contrast, Unenh, Enhance
Computerized Tomography (CT Scan) of Neck using Oth Contrast
CT Scan of Neck using L Osm Contrast
CT Scan of Neck using H Osm Contrast, Unenh, Enhance
CT Scan of Neck using H Osm Contrast