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 B52TZ
CT Scan of Port/Splanch Vein using Intravasc Optic Cohere
CT Scan of Port/Splanch Vein using H Osm Contrast
CT Scan of Port/Splanch Vein using Oth Contrast
Computerized Tomography (CT Scan) of Port/Splanch Vein
CT Scan Port/Splanch Vein w Oth Contrast, Unenh, Enhance
CT Scan Port/Splanch Vein w L Osm Contrast, Unenh, Enhance
CT Scan of Port/Splanch Vein using L Osm Contrast
CT Scan Port/Splanch Vein w H Osm Contrast, Unenh, Enhance