The Contrast None is identified by letter "Z" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B319Z
Fluoroscopy R Ext Carotid w L Osm Contrast, Laser Intraop
Fluoroscopy R Ext Carotid w H Osm Contrast, Laser Intraop
Fluoroscopy of Right External Carotid Artery
Fluoroscopy of R Ext Carotid using H Osm Contrast
Fluoroscopy of R Ext Carotid using L Osm Contrast
Fluoroscopy R Ext Carotid w Oth Contrast, Laser Intraop
Fluoroscopy of R Ext Carotid using Oth Contrast