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 B2161
Fluoroscopy of Right and Left Heart using L Osm Contrast
Fluoroscopy of Right and Left Heart using Other Contrast
Fluoroscopy of Right and Left Heart using H Osm Contrast