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 BR10Z
Fluoroscopy of Cervical Spine using Low Osmolar Contrast
Fluoroscopy of Cervical Spine
Fluoroscopy of Cervical Spine using Other Contrast
Fluoroscopy of Cervical Spine using High Osmolar Contrast