Which of the following is NOT one of the location methods in the CPT Index?

The correct answer identifies "Specialty" as not being one of the location methods in the CPT (Current Procedural Terminology) Index. In the context of the CPT Index, various methods are used to categorize and locate procedures.

Using synonyms involves listing terms that are interchangeable with the procedure or service, while eponyms refer to procedures named after people or specific entities. Anatomic site identification is crucial as it specifies the location on the body where the procedure will occur, ensuring clarity and accuracy in referencing the correct codes.

By contrast, "Specialty" does not function as a method for locating procedures within the CPT Index. Rather, specialties refer to branches of medicine, which might utilize certain codes but do not serve as a direct categorization method within the index itself. Thus, recognizing the distinction between these terms helps clarify the organization and usage of the CPT Index.