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 BT0CZ
Radiography of Ileal Diversion Loop using H Osm Contrast
Plain Radiography of Ileal Diversion Loop using Oth Contrast
Plain Radiography of Ileal Diversion Loop
Radiography of Ileal Diversion Loop using L Osm Contrast