CPT 92557: Comprehensive Audiometry (and What a Hearing Test Bills As)

The schedule says “hearing test.” The audiologist knows exactly which measures were completed, but billing still has to translate that work into the right procedure code. So what does the visit actually bill as?

The 92557 cpt code represents the combined threshold and speech-testing service commonly called comprehensive audiometry. It includes pure-tone air and bone conduction, speech reception thresholds, and speech recognition testing.¹ This article explains how that differs from a screening or partial battery, what the record should show, and which Medicare and payer questions still need a separate answer.

This is general educational guidance, not legal or billing advice. Always confirm code wording in the current CPT manual and apply the patient's payer policy, contract terms, state law, and your organization's compliance guidance.

What the 92557 CPT Code Includes

CPT 92557 brings four pieces of an audiologic evaluation together:

• Pure-tone air-conduction thresholds
• Pure-tone bone-conduction thresholds
• Speech reception thresholds
• Speech recognition testing

ASHA's Medicare coding guidance says not to report the 92557 CPT code unless all required components are completed.¹ ASHA also describes the service as bilateral testing of pure-tone air and bone conduction, speech reception thresholds, and speech recognition.²

That sounds simple, but the word “comprehensive” causes trouble. Here, it means the required threshold and speech components were completed. It doesn't mean every audiologic test that could be useful is included in the code.

Tympanometry, acoustic reflex testing, otoacoustic emissions, speech-in-noise testing, and hearing-device candidacy work aren't automatically part of 92557. An audiologist may perform some of those services at the same encounter, but separate reporting depends on what was done, current coding edits, and the payer's policy.

Consider an adult in a private practice who completes bilateral air and bone thresholds, speech reception thresholds, and recorded word recognition. The report contains ear-specific findings, an interpretation, and recommendations. That record supports the 92557 cpt code.

If the audiologist also completes tympanometry, the team should evaluate that service separately. The phrase “comprehensive hearing test” isn't a shortcut for deciding that everything on the visit is either bundled or separately payable.

And one more distinction matters: an accurate CPT code describes the service you performed. It doesn't, by itself, establish medical necessity, coverage, or payment.

What a Hearing Test Bills As When It Is Not 92557

“Hearing test” is useful conversational language. It isn't specific enough for a claim.

The right hearing test CPT code follows the actual procedure and documentation, not the appointment label. The current CPT manual remains the authority for code descriptions, but this comparison can help your clinical and billing teams speak the same language:¹

What if the patient can't complete bone conduction, won't tolerate part of the procedure, or produces results the audiologist considers unreliable? The record should say what happened. Then the audiologist and billing staff can identify the completed component service or services and check payer guidance.

They shouldn't default to the 92557 cpt code just because that was the planned test. ASHA warns that filing 92557 when bone conduction wasn't performed does not represent the completed service; its example instead reports the applicable air-conduction and speech component codes.²

For example, suppose a patient completes air-conduction thresholds, a speech reception threshold, and speech recognition, but the clinician stops before bone conduction because the patient can't continue reliably. The note should identify the limitation and the completed measures. Billing can then evaluate 92552 and 92556 under that patient's plan rather than treating the original order as proof that 92557 occurred.

Of course, the reverse is also true. If the full battery was completed, you don't turn one comprehensive service into a collection of component lines. That's unbundling, not more detailed reporting.

A community screening and a diagnostic evaluation in a university clinic may both be called a hearing test. The audiogram billing code still depends on what the clinician actually did.

Do Not Bill the 92557 CPT Code With Its Component Codes

Once the full battery is complete, the component-code rule becomes straightforward.

ASHA's Medicare coding guidance says CCI edits don't allow 92552, 92553, 92555, or 92556 on the same day as 92557 because those services are components of comprehensive audiometry.¹ ASHA's current audiology edit table also lists those code pairs and shows that an NCCI-associated modifier isn't allowed to bypass the edits.³

That creates two different claim paths:

• Incomplete battery: The record may support one or more individual component codes instead of 92557.
• Completed battery: Report 92557 for the combined service, then avoid separately reporting its component work.

Imagine a charge ticket with 92553, 92556, and 92557 after one completed evaluation. The billing specialist should pause the claim and compare it with the signed report. If those lines all describe the same threshold and speech battery, 92557 already represents the component work.

Could a modifier make the extra lines payable? Not as a routine workaround for tests that are inherent parts of the same service. Check the current NCCI files, outpatient edits when applicable, and the patient's payer policy before submission.

This is where a shared workflow matters. When the clinical note, service-code selection, and billing review stay connected, staff can catch a duplicate line before it becomes a denial or repayment problem.

Documentation That Supports CPT 92557

The simplest documentation test is this: could another qualified reader identify the full battery from the record without seeing the charge line?

For the 92557 cpt code, the answer should be yes. A useful report generally makes the following clear:

• Why the test was performed, including the order or direct-access basis when applicable
• Date of service and patient identification
• Ear-specific air- and bone-conduction thresholds
• Speech reception threshold and speech recognition results
• Reliability, masking, and clinically relevant test limitations
• The audiologist's interpretation, clinical impression, and recommendations
• Authentication by the responsible professional, including the required supervisor signature when a student participates

CMS's Medicare Benefit Policy Manual says the reason for the test should appear on the order, audiologic evaluation report, or medical record. When the record is reviewed, it must contain enough information for the Medicare Administrative Contractor to determine whether the service qualifies for payment.⁵ That's Medicare guidance. Commercial plans and Medicaid programs can require different forms, fields, authorization records, or signatures.

Avoid choosing an ICD-10-CM code from a generic list simply because it often appears beside 92557. The diagnosis or symptom coding needs to match the patient's documented reason for testing and the payer's current instructions.

Incomplete testing needs honest documentation, too. Name the measure that couldn't be completed, explain the limitation when clinically appropriate, record the results you did obtain, and make sure the claim matches that record. Don't copy forward an earlier result as though it was measured again on the current date.

In a university clinic, a supervisor might review a student-authored report and find speech scores but no bone-conduction results. That's the moment to return the note and reconcile the service code, before anyone approves the charge.

Customizable medical documentation software can support this review with required evaluation fields, diagnosis and service-code linking, and supervisor approval. But software doesn't decide whether a claim is compliant. The licensed professional and billing team still need to apply the current code set and payer rules.

If your team is comparing audiology billing software, look beyond the charge-entry screen. You need a clear path from the completed test to the signed report and from the report to the claim review.

Medicare Rules Are Specific, and Other Payers May Differ

Even when the code is correct, four questions remain:

1. Does the code match the completed test?
2. Does the payer cover the test for this reason?
3. Is an order required, or does a valid exception apply?
4. What allowed amount applies in this setting and location?

For Medicare, CMS says audiology services generally require an order. Since January 1, 2023, Medicare has allowed a beneficiary to directly access an audiologist once every 12 months for certain non-acute hearing conditions and specified diagnostic tests personally furnished by the audiologist. Eligible claims use modifier AB, and the exception doesn't cover testing for disequilibrium or imbalance.⁴

That isn't permission to add AB to every no-order hearing visit. The clinic must confirm that the test, reason for testing, timing, provider, and circumstances meet the current Medicare requirements.

CMS also explains that Medicare pays for audiology services based on why the tests were ordered or directly accessed, as appropriate, rather than simply on a diagnosis label.⁴ So a valid 92557 cpt code doesn't guarantee that a routine screening, annual test, or hearing-aid-related visit is covered.

How much does 92557 reimburse in 2026? There isn't one safe number for every claim.

CMS's Physician Fee Schedule tool provides pricing, RVUs, and payment-policy information, and it adjusts payment amounts by Medicare locality. Facility and non-facility settings can also pay differently.⁶ A hospital outpatient service may fall under the Outpatient Prospective Payment System instead of the office-based Physician Fee Schedule.⁴ Commercial insurers and Medicaid programs follow their own fee schedules, contracts, and coverage policies.

Use the 2026 CMS PFS tool for the relevant locality, then confirm details with your MAC. For another payer, check the patient's benefits, your contract, current edits, and any authorization requirements. A third-party page showing a national average can be a starting clue, but it isn't a payment promise.

There is one more 2026 issue worth separating from the 92557 CPT code. ASHA reports that 12 hearing-device service codes took effect on January 1, 2026, replacing legacy codes 92590 through 92595.⁸ Those changes address hearing-device services. They don't remove the threshold and speech requirements for diagnostic CPT 92557.

University Audiology Clinics Need a Supervision Check

University clinics have all the usual coding questions, plus one more: who performed and supervised the service under this patient's payer rules?

For Medicare Part B services involving a student, ASHA says the qualified audiologist must be in the room, guide the student, remain fully engaged in the evaluation, and avoid performing other tasks. The audiologist accepts responsibility for the service and signs the documentation.⁷

ASHA also explains that a fourth-year AuD student with a provisional state license doesn't meet Medicare's qualified-audiologist definition unless the student independently meets the applicable degree and qualification requirements.⁷ That's a Medicare standard. Medicaid, commercial plans, institutional policies, and state licensure rules may differ.

So what should the pre-claim check look like?

• Identify the payer and verify its student-participation rule.
• Confirm and document the required supervisor presence.
• Make sure all elements represented by the selected procedure code appear in the report.
• Obtain the responsible audiologist's signature.
• Compare the final code with the completed note before release to billing.

A written university clinic compliance process makes those checks repeatable across supervisors, students, and billing staff. It also gives new cohorts a shared workflow instead of a collection of unwritten rules.

Picture a fourth-year AuD student conducting much of the battery while the licensed audiologist stays in the room, directs the evaluation, reviews the findings, and signs the final report. That workflow may satisfy the cited Medicare Part B supervision guidance, but the clinic still needs to confirm the patient's coverage and any other applicable requirements.

This is also why university audiology clinic software needs more than a generic signature box. The system has to make supervisor review visible without blurring who performed, directed, and accepted responsibility for the service.

ClinicNote's role-based permissions, student caseload controls, supervisor notifications, and document-completion verification are designed for that handoff. They help university teams keep the student, supervisor, note, and billing status visible in the same audiology EMR workflow.

Keep the Test, Note, and Claim Aligned

The rule is simple even when the visit isn't: use the 92557 CPT code when the full threshold-and-speech battery was performed and documented. When it wasn't, identify the code or codes that describe the completed work, then apply the payer's current policy.

The 92557 cpt code, coverage decision, allowed amount, and supervision requirement are connected, but they aren't the same question.

Need an easier way to connect audiology documentation, supervisor review, service codes, and billing status? ClinicNote is built for private practices and university speech therapy and audiology clinics. Learn more about ClinicNote or request a demo to see how the workflow fits your team.

Sources

1. https://www.asha.org/practice/reimbursement/medicare/Aud_coding_rules/
2. https://www.asha.org/practice/reimbursement/medicare/audiology-medicare-prohibitions-faqs/
3. https://www.asha.org/Practice/reimbursement/coding/CCI-Edit-Tables-Audiology/
4. https://www.cms.gov/medicare/payment/fee-schedules/physician/audiology-services
5. https://www.cms.gov/regulations-and-guidance/guidance/manuals/downloads/bp102c15.pdf
6. https://www.cms.gov/medicare/physician-fee-schedule/search/overview
7. https://www.asha.org/practice/reimbursement/medicare/student_participation/
8. https://www.asha.org/practice/reimbursement/coding/new_codes_aud/