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 BR15Z
Fluoroscopy of Thoracic Facet Joint(s) using Other Contrast
Fluoroscopy of Thoracic Facet Joint(s) using H Osm Contrast
Fluoroscopy of Thoracic Facet Joint(s) using L Osm Contrast
Fluoroscopy of Thoracic Facet Joint(s)