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 BR1FZ
Fluoroscopy of Sacrum and Coccyx using Other Contrast
Fluoroscopy of Sacrum and Coccyx using Low Osmolar Contrast
Fluoroscopy of Sacrum and Coccyx
Fluoroscopy of Sacrum and Coccyx using High Osmolar Contrast