The Qualifier None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B314ZZ
Fluoroscopy L Com Carotid w H Osm Contrast, Laser Intraop
Fluoroscopy L Com Carotid w L Osm Contrast, Laser Intraop
Fluoroscopy of Left Common Carotid Artery
Fluoroscopy L Com Carotid w Oth Contrast, Laser Intraop
Fluoroscopy of L Com Carotid using H Osm Contrast
Fluoroscopy of Left Common Carotid Artery using Oth Contrast
Fluoroscopy of L Com Carotid using L Osm Contrast