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 B00B1
Plain Radiography of Spinal Cord using High Osmolar Contrast
Plain Radiography of Spinal Cord
Plain Radiography of Spinal Cord using Low Osmolar Contrast
Plain Radiography of Spinal Cord using Other Contrast