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 BR171Z
Fluoroscopy of Thoracic Spine using High Osmolar Contrast
Fluoroscopy of Thoracic Spine using Low Osmolar Contrast
Fluoroscopy of Thoracic Spine using Other Contrast
Fluoroscopy of Thoracic Spine