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 BT231Z
Computerized Tomography (CT Scan) of Bilateral Kidneys
CT Scan of Bi Kidney using L Osm Contrast
CT Scan of Bi Kidney using H Osm Contrast, Unenh, Enhance
CT Scan of Bi Kidney using Oth Contrast
CT Scan of Bi Kidney using Oth Contrast, Unenh, Enhance
CT Scan of Bi Kidney using L Osm Contrast, Unenh, Enhance
CT Scan of Bi Kidney using H Osm Contrast