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 BQ23ZZ
CT Scan of R Femur using L Osm Contrast
CT Scan of R Femur using Oth Contrast
CT Scan of R Femur using H Osm Contrast
Computerized Tomography (CT Scan) of Right Femur