Below is a list summarizing the CPT codes for nasopharyngoscopy, nasal study, and facial nerve study.
CPT Code 92511
CPT 92511 describes nasopharyngoscopy with the endoscope as a separate procedure.
CPT Code 92512
CPT 92512 describes nasal function studies (e.g., rhinomanometry).
CPT Code 92516
CPT 92516 describes facial nerve function studies, such as electroneuronography.