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 B92FZ
CT Scan of Nasophar/Orophar using H Osm Contrast
Computerized Tomography (CT Scan) of Nasopharynx/Oropharynx
CT Scan Nasophar/Orophar w L Osm Contrast, Unenh, Enhance
CT Scan Nasophar/Orophar w H Osm Contrast, Unenh, Enhance
CT Scan Nasophar/Orophar w Oth Contrast, Unenh, Enhance
CT Scan of Nasophar/Orophar using Oth Contrast
CT Scan of Nasophar/Orophar using L Osm Contrast