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 B311ZZ
Fluoroscopy R Brachioceph A w H Osm Contrast, Laser Intraop
Fluoroscopy of R Brachioceph A using H Osm Contrast
Fluoroscopy R Brachioceph A w Oth Contrast, Laser Intraop
Fluoroscopy of R Brachioceph A using Oth Contrast
Fluoroscopy of R Brachioceph A using L Osm Contrast
Fluoroscopy R Brachioceph A w L Osm Contrast, Laser Intraop
Fluoroscopy of Right Brachiocephalic-Subclavian Artery