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 BR04ZZ
Plain Radiography of Cervical Facet Joint(s)
Plain Radiography of Cerv Facet Jt using Oth Contrast
Plain Radiography of Cerv Facet Jt using L Osm Contrast
Plain Radiography of Cerv Facet Jt using H Osm Contrast