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 BN18Z
Fluoroscopy of L Temporomand Jt using Oth Contrast
Fluoroscopy of L Temporomand Jt using L Osm Contrast
Fluoroscopy of Left Temporomandibular Joint
Fluoroscopy of L Temporomand Jt using H Osm Contrast