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 B4121
Fluoroscopy Hepatic Art w L Osm Contrast, Laser Intraop
Fluoroscopy of Hepatic Artery using Other Contrast
Fluoroscopy of Hepatic Artery using High Osmolar Contrast
Fluoroscopy of Hepatic Artery using Low Osmolar Contrast
Fluoroscopy of Hepatic Artery
Fluoroscopy of Hepatic Art using Oth Contrast, Laser Intraop
Fluoroscopy Hepatic Art w H Osm Contrast, Laser Intraop