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 BW25Z
CT Scan Chest, Abd & Pelvis w Oth Contrast, Unenh, Enhance
CT Scan of Chest, Abd & Pelvis using H Osm Contrast
CT Scan of Chest, Abd & Pelvis using Oth Contrast
CT Scan Chest, Abd & Pelvis w L Osm Contrast, Unenh, Enhance
Computerized Tomography (CT Scan) of Chest, Abd & Pelvis
CT Scan of Chest, Abd & Pelvis using L Osm Contrast
CT Scan Chest, Abd & Pelvis w H Osm Contrast, Unenh, Enhance