Audiology is a specialized field focused on diagnosing and treating hearing and balance disorders. Accurate billing and coding are essential for audiologists to receive proper reimbursement from insurance providers, Medicare, and Medicaid. Current Procedural Terminology (CPT) codes are standardized medical codes used to describe audiological procedures, ensuring consistency in billing and claims processing.
This guide provides an in-depth breakdown of audiology CPT codes, including diagnostic tests, hearing aid fittings, vestibular assessments, and tele-audiology services. Whether you’re an audiologist, billing specialist, or healthcare administrator, understanding these codes is crucial for compliance and maximizing revenue.

Audiology CPT Codes
2. Understanding CPT Codes in Audiology
CPT codes, maintained by the American Medical Association (AMA), are five-digit numeric codes that categorize medical, surgical, and diagnostic services. In audiology, CPT codes cover:
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Diagnostic hearing tests (pure-tone audiometry, speech audiometry)
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Electrophysiological testing (ABR, OAE)
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Vestibular (balance) assessments (VNG, VEMP)
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Hearing aid and cochlear implant services
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Therapeutic interventions (aural rehabilitation, tinnitus management)
Proper code selection ensures correct reimbursement and reduces claim denials.
3. Audiology CPT Codes List (Comprehensive Breakdown)
Below is a detailed table of the most frequently used audiology CPT codes:
Common Audiology CPT Codes and Descriptions
| CPT Code | Description | Typical Use |
|---|---|---|
| 92550 | Tympanometry & reflex testing | Evaluates middle ear function |
| 92552 | Pure-tone audiometry (air) | Basic hearing threshold test |
| 92553 | Pure-tone audiometry (air & bone) | Differentiates conductive vs. sensorineural hearing loss |
| 92555 | Speech audiometry (threshold) | Measures speech recognition thresholds |
| 92556 | Speech audiometry (supra-threshold) | Evaluates word recognition at comfortable levels |
| 92557 | Comprehensive hearing test (92552 + 92553 + 92555 + 92556) | Full diagnostic audiologic evaluation |
| 92567 | Tympanometry (alone) | Middle ear pressure assessment |
| 92568 | Acoustic reflex testing | Assesses neural pathways of hearing |
| 92570 | Acoustic immittance testing | Evaluates tympanic membrane mobility |
| 92579 | Visual reinforcement audiometry (VRA) | Pediatric hearing assessment |
| 92582 | Conditioning play audiometry | Hearing test for young children |
| 92583 | Select picture audiometry | Pediatric speech recognition test |
| 92585 | Auditory evoked potentials (ABR) | Diagnoses auditory neuropathy |
| 92586 | Otoacoustic emissions (OAE) | Screens cochlear function (newborns & adults) |
| 92587 | Distortion product OAE (DPOAE) | Detailed cochlear assessment |
| 92588 | Vestibular evoked myogenic potential (VEMP) | Evaluates balance disorders |
| 92601 | Cochlear implant programming | Adjusts implant settings |
| 92602 | Cochlear implant follow-up | Post-implant evaluation |
| 92603 | Hearing aid check (monaural) | Verifies hearing aid function |
| 92604 | Hearing aid check (binaural) | Adjusts both hearing aids |
| 92607 | Hearing aid evaluation | Determines candidacy for hearing aids |
| 92626 | Auditory rehabilitation (pre-lingual) | Therapy for children with hearing loss |
| 92627 | Auditory rehabilitation (post-lingual) | Therapy for adults with hearing loss |
| 92640 | Diagnostic analysis of cochlear implant | Evaluates implant performance |
4. Commonly Used Audiology CPT Codes
Pure-Tone Audiometry (92552, 92553)
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92552: Air conduction only
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92553: Air and bone conduction testing
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Used to determine hearing thresholds and type of hearing loss.
Speech Audiometry (92555, 92556)
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92555: Speech reception threshold (SRT)
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92556: Word recognition testing
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Assesses speech understanding ability.
Otoacoustic Emissions (OAE) (92587, 92588)
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92587: Distortion product OAE (DPOAE)
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92588: Transient evoked OAE (TEOAE)
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Used for newborn hearing screening and cochlear function assessment.
(Continue with detailed descriptions of each category.)
5. Diagnostic vs. Therapeutic CPT Codes in Audiology
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Diagnostic codes (e.g., 92557, 92585) are used for evaluating hearing and balance disorders.
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Therapeutic codes (e.g., 92626, 92627) apply to rehabilitation and hearing aid services.
6. Coding for Hearing Tests and Evaluations
Proper documentation must include:
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Test results
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Medical necessity
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Modifiers (if applicable, e.g., -RT, -LT for laterality)
7. Billing for Hearing Aids and Cochlear Implants
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Hearing aid codes (92601-92604, V5008-V5264, HCPCS codes)
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Cochlear implant codes (92601-92602, L8614-L8619)
8. Medicare and Medicaid Reimbursement for Audiology Services
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Medicare covers diagnostic tests but excludes hearing aids.
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Medicaid coverage varies by state.
9. Private Insurance and Audiology CPT Codes
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Verify coverage policies with insurers.
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Use prior authorization when required.
17. Conclusion
Accurate audiology CPT coding ensures proper reimbursement and compliance. Understanding diagnostic, therapeutic, and hearing aid codes is essential for audiologists and billing professionals. Stay updated with annual CPT changes and insurer policies to maximize revenue and reduce claim denials.
18. Frequently Asked Questions (FAQs)
Q1: What is the difference between CPT 92552 and 92553?
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92552 tests air conduction only, while 92553 includes both air and bone conduction.
Q2: Does Medicare cover hearing aid CPT codes?
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No, Medicare does not cover hearing aids but does cover diagnostic hearing tests.
Q3: What modifiers are used in audiology coding?
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-RT (Right), -LT (Left), -50 (Bilateral) are commonly used.
