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 BW191
Fluoroscopy of Head and Neck using Other Contrast
Fluoroscopy of Head and Neck using High Osmolar Contrast
Fluoroscopy of Head and Neck using Low Osmolar Contrast
Fluoroscopy of Head and Neck