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 B31N0Z
Fluoroscopy Oth Up Art w H Osm Contrast, Laser Intraop
Fluoroscopy of Other Upper Arteries using L Osm Contrast
Fluoroscopy of Other Upper Arteries
Fluoroscopy of Other Upper Arteries using Other Contrast
Fluoroscopy of Oth Up Art using Oth Contrast, Laser Intraop
Fluoroscopy of Other Upper Arteries using H Osm Contrast
Fluoroscopy Oth Up Art w L Osm Contrast, Laser Intraop