The Contrast Low Osmolar is identified by number "1" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to BR1B1
Fluoroscopy of Lumbosacral Joint using Other Contrast
Fluoroscopy of Lumbosacral Joint using Low Osmolar Contrast
Fluoroscopy of Lumbosacral Joint
Fluoroscopy of Lumbosacral Joint using High Osmolar Contrast