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 B922ZZ
CT Scan Paranasal Sinus w Oth Contrast, Unenh, Enhance
CT Scan of Paranasal Sinus using L Osm Contrast
Computerized Tomography (CT Scan) of Paranasal Sinuses
CT Scan of Paranasal Sinus using H Osm Contrast
CT Scan Paranasal Sinus w H Osm Contrast, Unenh, Enhance
CT Scan of Paranasal Sinus using Oth Contrast
CT Scan Paranasal Sinus w L Osm Contrast, Unenh, Enhance