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 BH031Z
Plain Radiography of R Single Mamm Duct using H Osm Contrast
Plain Radiography of R Single Mamm Duct using Oth Contrast
Plain Radiography of Right Single Mammary Duct
Plain Radiography of R Single Mamm Duct using L Osm Contrast