Computerized Dynamic Posturography (CDP) (April 2020)

Why This Topic Matters

Accurate reporting of vestibular testing depends on understanding how the CPT update changed the structure of this service family and what companion services or modifiers may be involved. The article helps readers distinguish the updated code set coverage from overlapping procedures and documentation expectations.

Article Sections

1. Revised Descriptor and New Code

   Introduces the CPT 2020 update affecting computerized dynamic posturography and the related vestibular function testing context. Summarizes the revised code structure and the addition of a companion code.

2. Background

   Provides clinical and editorial background for the CPT revision, including the specialty areas that commonly use this testing. Describes the broader purpose of the update and the general testing framework.

3. Coding Tip

   Highlights general billing and documentation considerations tied to the testing sequence and encounter-level reporting. Mentions the use of a modifier when testing is incomplete.

4. Clinical Example (92548) / Description of Procedure (92548)

   Presents a typical scenario and procedure overview associated with one of the revised testing pathways. Focuses on the setting, equipment, and overall workflow for the service.

5. Clinical Example (92549) / Description of Procedure (92549)

   Presents a typical scenario and procedure overview associated with the more comprehensive testing pathway. Covers the broader testing workflow and reporting context.