Which ENT office procedures have common CPT codes and what documentation supports them?

• A. Surgical procedures only.
• B. Only imaging.
• C. Only patient history.
• D. Office endoscopy, audiology testing, tympanometry; documentation should include indication, procedure performed, results, and any findings.

Answer: (D)

The main idea here is that in ENT practice, the office-based procedures most commonly tied to CPT coding are endoscopy performed in the office, audiology testing, and tympanometry. To bill these services correctly, documentation must clearly show why the test or procedure was done (indication or medical necessity), exactly what was performed, and the results or findings.

Office endoscopy involves using a scope to visualize the nasal passages, nasopharynx, or larynx. The documentation should note the reason for the visit (for example, persistent nasal obstruction or suspected polyps), specify the exact endoscopic procedure performed, and record what was seen (e.g., mucosal edema, polyps, crusting, nasal septum status).

Audiology testing provides objective information about hearing. Documentation should include the referral reason, the specific tests performed (such as pure-tone and/or speech testing), the results (thresholds, speech scores), and an interpretation that supports the clinical decision or treatment plan. Tympanometry assesses middle-ear function; the report should document the test performed, the results (tympanogram type, ear canal status, eardrum mobility), and any interpretation.

Imaging or solely documenting patient history aren’t the primary office procedures that have standard CPT codes in this context, and many office-based imaging studies or surgical procedures involve different coding and settings. This combination—office endoscopy, audiology testing, and tympanometry—with proper indication, procedure details, results, and findings—best matches how these services are coded and supported in practice.