1. Evaluation and Management (E/M) Services

• 99202–99205: New patient office or outpatient visits.

• 99211–99215: Established patient office or outpatient visits.

2. Ear Procedures

• 69210: Removal of impacted cerumen requiring instrumentation.

• 69436: Tympanostomy (requiring insertion of ventilating tube), general anesthesia.

• 69631: Tympanoplasty without mastoidectomy.

• 69930: Cochlear device implantation.

• 3. Nose and Sinus Procedures

• 30140: Submucous resection inferior turbinate, partial or complete.

• 30520: Septoplasty or submucous resection, with or without cartilage scoring, contouring or replacement with graft.

• 31231: Nasal endoscopy, diagnostic, unilateral or bilateral.

• 31237: Nasal/sinus endoscopy, surgical; with biopsy, polypectomy or debridement.

4. Throat and Larynx Procedures

• 31575: Laryngoscopy, flexible fiberoptic; diagnostic.

• 31579: Laryngoscopy, flexible; with stroboscopy.

• 31600: Tracheostomy, planned (separate procedure).

• 31601: Tracheostomy, emergency procedure.

5. Tonsil and Adenoid Procedures

• 42820: Tonsillectomy and adenoidectomy; under age 12.

• 42821: Tonsillectomy and adenoidectomy; age 12 or over.

• 42826: Tonsillectomy, primary or secondary; age 12 or over.

• 42830: Adenoidectomy, primary; under age 12.

6. Neck and Lymph Node Procedures

• 38500: Biopsy or excision of lymph node(s); open, superficial.

• 38720: Cervical lymphadenectomy (complete).

• 38724: Cervical lymphadenectomy (modified radical neck dissection).

• 38900: Intraoperative identification of sentinel lymph node(s).

7. Sleep Studies and Related Procedures

• 95805: Multiple sleep latency or maintenance of wakefulness testing.

• 95807: Sleep study, attended by a technologist.

• 95810: Polysomnography; sleep staging with 4 or more additional parameters of sleep, attended by a technologist.

• 95811: Polysomnography; with initiation of continuous positive airway pressure therapy.

8. Audiologic Function Tests

• 92557: Comprehensive audiometry threshold evaluation and speech recognition.

• 92567: Tympanometry (impedance testing).

• 92568: Acoustic reflex testing; threshold.

• 92587: Evoked otoacoustic emissions; limited evaluation.

9. Vestibular Function Tests

• 92531: Spontaneous nystagmus test, including gaze and fixation nystagmus, with recording.

• 92532: Positional nystagmus test, minimum of 4 positions, with recording.

• 92533: Caloric vestibular test, bilateral, bithermal, with recording.

• 92534: Optokinetic nystagmus test, bidirectional, foveal or peripheral stimulation, with recording.

10. Other ENT Procedures

• 31240: Nasal/sinus endoscopy, surgical; with concha bullosa resection.

• 31254: Nasal/sinus endoscopy, surgical; with ethmoidectomy, partial (anterior).

• 31255: Nasal/sinus endoscopy, surgical; with ethmoidectomy, total (anterior and posterior).

• 31267: Nasal/sinus endoscopy, surgical; with maxillary antrostomy.

11. Allergy Testing

• 95004: Percutaneous allergy testing.

• 95024: Intradermal allergy testing.

• 95165: Preparation and provision of multiple-dose vials