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 BH03Z
Plain Radiography of R Single Mamm Duct using L Osm Contrast
Plain Radiography of Right Single Mammary Duct
Plain Radiography of R Single Mamm Duct using Oth Contrast
Plain Radiography of R Single Mamm Duct using H Osm Contrast