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 BN07Z
Plain Radiography of R Temporomand Jt using Oth Contrast
Plain Radiography of R Temporomand Jt using L Osm Contrast
Plain Radiography of R Temporomand Jt using H Osm Contrast
Plain Radiography of Right Temporomandibular Joint