Audiologist and Hearing Aid Dispensary Bookkeeping: Medicare Part B, ASC 606 Trial Returns, and Section 179

Picture this: a patient walks out of your office with a pair of premium hearing aids billed at $6,400. Three weeks later, they return them under your state's 45-day trial period law. You issue a refund. Your point-of-sale system shows a sale, your bank shows a refund, your manufacturer invoice still shows a payable—and your accountant asks why your gross margin looks like a roller coaster.

This is the daily reality of running an independent audiology practice in 2026. You are simultaneously a healthcare provider billing Medicare Part B for diagnostic testing, a medical device retailer competing with Costco and CVS, a service business selling multi-year care plans, and a small business navigating ASC 606 revenue recognition rules that were not designed with your trial-period economics in mind.

Get the bookkeeping wrong and one of two things happens: you overstate revenue and pay tax on money you eventually refund, or you understate it and trip a CPA review at year-end. Here is how to set up your books so neither happens.

Why Audiology Bookkeeping Is Genuinely Hard

Most retail businesses recognize revenue when the customer takes the product home. Most healthcare practices recognize revenue when the service is performed. An audiology dispensary does both on the same patient encounter, often within the same hour, and the rules for each are entirely different.

A typical "hearing aid sale" actually contains five distinct revenue events:

The diagnostic audiometric evaluation (CPT 92557), often billable to Medicare Part B
The hearing aid device itself (HCPCS V5261 or similar), never billable to Medicare under §1862(a)(7)
The fitting and programming (CPT 92590-92595)
A multi-year service and follow-up plan (loss & damage, cleanings, reprogramming)
Accessories (chargers, domes, wax filters, remote microphones)

Each has different tax treatment, different revenue recognition timing, and different exposure to returns under state trial period laws. If your chart of accounts lumps them into "Hearing Aid Sales," you have already lost the ability to manage the business intelligently.

The Medicare Part B Trap

Medicare Part B covers diagnostic audiology services—the testing that helps physicians evaluate hearing and balance disorders. It does not cover hearing aids themselves, never has, and almost certainly never will under current statute (§1862(a)(7) of the Social Security Act explicitly excludes them).

For 2026, the Medicare conversion factor for audiology services is finalized at $33.40, a 3.26% increase over 2025. CMS also implemented twelve new hearing device service CPT codes on January 1, 2026, while deleting six predecessor codes. If your billing software was not updated for the code transition, you are likely either denying yourself revenue or generating denials.

Separating Covered From Non-Covered Revenue

Set up your chart of accounts with at least these income categories:

4100 – Medicare Diagnostic Services (covered, posted at allowed amount)
4110 – Commercial Insurance Diagnostic Services
4120 – Cash-Pay Diagnostic Services
4200 – Hearing Aid Device Sales – Premium
4210 – Hearing Aid Device Sales – Mid-Tier
4220 – Hearing Aid Device Sales – Entry / OTC
4300 – Hearing Aid Fitting and Programming
4400 – Bundled Service Plan Revenue (Deferred Released)
4500 – Accessory and Supply Sales
4600 – Repair Labor Revenue

The level of detail matters because Medicare reimbursement is a contractual write-down, not a discount. If you bill $250 for CPT 92557 and Medicare allows $98.17, your books should show $98.17 of gross revenue—not $250 with a $151.83 "discount." Booking the gross then crediting a contra-revenue account works too, but only if you reconcile it monthly. Most practices that struggle with margin analysis are using the wrong convention here.

The Direct Access Exception

Since January 1, 2023, Medicare patients can directly access an audiologist once every twelve months for certain diagnostic tests for non-acute hearing conditions—no physician order required. Most practices miss the opportunity because their intake forms still ask for a referring physician. Build a workflow that captures direct access encounters and flags them in your practice management system; this is incremental Medicare revenue you are leaving on the table otherwise.

Bundled vs. Unbundled: The Pricing Model That Defines Your Books

The conventional audiology pricing model bundles the device, fitting, follow-up visits, programming changes, cleanings, and a one- to three-year service plan into a single price. The unbundled model itemizes each service and bills separately as performed.

Under ASC 606, the choice profoundly affects when you can recognize revenue.

The Bundled Model and ASC 606

A bundled $5,800 sale that includes "three years of unlimited service" is not a $5,800 sale. It is a contract with multiple performance obligations. You must allocate the transaction price across:

The device (point in time, on delivery)
The initial fitting (point in time, on completion)
The ongoing service plan (over time, three years)

Suppose your standalone selling prices break down as $4,200 device, $400 fitting, and $1,200 for three years of bundled service. On the day of delivery, you recognize $4,600 as revenue. The remaining $1,200 hits a deferred revenue liability and releases at $33.33 per month over 36 months. If you recognize the full $5,800 on day one, your books overstate current revenue by $1,200—and when the IRS or a buyer's due diligence team asks for ASC 606 compliance documentation, you will not have it.

The Unbundled Model

Unbundled practices generally recognize revenue as services are performed. The device is sold at point in time. The fitting is recognized when delivered. Each follow-up visit is invoiced separately and recognized when rendered. This is closer to traditional retail accounting and considerably simpler, but most patients still prefer the predictability of bundled pricing, so few practices have moved entirely to itemized billing.

Whichever you choose, document your standalone selling prices for each performance obligation in your practice's accounting policy. Auditors will ask.

Trial Period Returns: The Reserve You Probably Are Not Holding

At least ten states plus the District of Columbia mandate trial periods for hearing aid sales:

California: 45 days
New York: 45 days
Maine: 30 days, extendable to 60 with a physician note
Texas: 30 consecutive days from fitting
Wisconsin: 30 days minimum
Washington: 30 days, allows retention of $150 or 15% (whichever less)

Industry-wide return rates run 10% to 20%. If you sell $1.2 million in hearing aids annually and you are not booking a return reserve, your year-end financials are wrong by anywhere from $120,000 to $240,000 of conditional revenue.

ASC 606 requires a refund liability for variable consideration. The mechanics:

Estimate the return rate from your last twelve months of data
At the time of sale, recognize revenue net of the expected refund
Book the expected refund to a "Refund Liability – Trial Period Returns" account
When an actual return occurs, debit the liability rather than reversing revenue
Reconcile the liability quarterly to actual return experience

A practice with a 15% historical return rate and a $6,000 bundled sale should recognize $5,100 of revenue and book $900 to refund liability—not $6,000 of revenue and a "we'll deal with it if it happens" attitude.

You also need to think about the asset side. When a device is returned, what is its disposition? Most manufacturers allow returns within 60 to 90 days at a restocking fee (typically 10% to 20%). A returned device that is past the manufacturer's window becomes inventory you cannot resell at full price. Build a "Returned Device Inventory" account valued at expected net realizable value, not original cost.

OTC Hearing Aids: Threat or Opportunity?

The FDA's October 2022 OTC hearing aid rule created a new category for adults 18+ with mild-to-moderate perceived hearing loss. CVS, Walgreens, Best Buy, and Walmart now sell OTC devices starting under $100. The catastrophic forecasts for independent audiologists have not materialized—2023 first-quarter prescription hearing aid sales actually rose 8% year over year, and OTC sales represented only about 1% of total HIA-reported distribution.

Why hasn't OTC destroyed the independents? Because roughly half to two-thirds of the cost of a professionally dispensed hearing aid is professional service and overhead, not the device itself. OTC sells boxes; audiologists sell outcomes. But the rule still has bookkeeping implications.

If You Decide to Stock OTC Devices

Many practices now keep OTC devices on display as an entry-level option. Bookkeeping treatment differs from prescription devices:

Lower gross margin: OTC margins run 25% to 40% versus 55% to 70% on prescription
No bundled service plan typically: revenue is closer to pure point-in-time retail
Different sales tax treatment in some states: prescription hearing aids are exempt in many states; OTC may not be
Separate inventory account: do not commingle with prescription inventory; their turn rates and obsolescence profiles are entirely different

Set up account 4220 – OTC Device Sales distinctly from prescription, and track contribution margin separately. Otherwise you cannot tell whether your OTC line is profitable or a loss leader cannibalizing higher-margin sales.

Practice Management Software Reconciliation: Sycle, Blueprint Solutions, CounselEAR

The dominant practice management platforms in audiology—Sycle, Blueprint Solutions, CounselEAR—handle scheduling, patient records, billing, and inventory. None of them are accounting systems. The reconciliation gap between your PMS and your general ledger is where margin disappears.

The Three Reconciliations You Must Do Monthly

1. Revenue reconciliation. Your PMS reports gross billed amounts. Your bank shows deposits. The difference is insurance write-downs, patient refunds, and trial period returns. Build a monthly worksheet that ties:

PMS Billed Revenue
  – Insurance Contractual Adjustments
  – Patient Refunds (trial period and other)
  – Sales Tax Collected (liability, not revenue)
  + Prior Period Insurance Receipts
= Net Revenue Recognized

This should reconcile within 1% to your GL. If it does not, you have either an unbilled service or a posting error.

2. Inventory reconciliation. Your PMS tracks devices by serial number. Your accounting system tracks dollar value of inventory. At month end, count physical inventory by serial, value it against your perpetual inventory ledger, and book any variance. Hearing aids are small, expensive, and easy to misplace—a single missing premium device is $1,800 of unposted shrinkage.

3. Deferred revenue reconciliation. For bundled service plans, your accounting system tracks total deferred revenue and monthly release. Your PMS knows which patients still have active service plans. The number of active plans times the average remaining deferred per plan should equal your deferred revenue liability balance, within rounding.

Section 179 and Equipment Capitalization

The capital equipment in a typical audiology practice runs from $50,000 to $250,000:

Soundproof audiology booth: $15,000 to $35,000
Real-ear measurement (REM) equipment (Verifit, Audioscan): $8,000 to $15,000
Audiometer (clinical-grade): $5,000 to $12,000
OAE and tympanometry equipment: $4,000 to $10,000
Hearing aid programming hardware and software: $3,000 to $8,000
Office buildout (often the booth installation drives leasehold improvements)

For 2026, the Section 179 deduction limit is $1.25 million with a phase-out threshold of $3.13 million, indexed for inflation. Bonus depreciation has phased down to 40% for property placed in service in 2026, after which it phases out further unless Congress extends.

The standard playbook: take Section 179 first to write off as much as your taxable income allows, then layer 40% bonus depreciation on the remainder, then MACRS the residual over five or seven years. A practice owner buying a $30,000 audiology booth and $12,000 REM in a single year can typically write off the full $42,000 in year one, subject to taxable income limits. Document the placed-in-service date carefully: the deduction is based on when the equipment was ready and available for use, not when you paid for it.

One trap: if you finance the equipment, the financed amount still qualifies for Section 179 in year one. You deduct the full purchase price and amortize the interest expense separately as the loan is paid down. Many owners do not realize this and defer the deduction until they have paid cash, leaving real money on the table.

Why Clean Books Matter More for Audiology Than Most Practices

Accurate bookkeeping in this industry is not a back-office afterthought. Three things will come for your books:

A buyer. Audiology practice multiples run 0.6x to 1.0x of revenue or 3x to 5x of EBITDA. The difference between those ranges is largely the quality of your financial records. A buyer who has to clean up ASC 606 deferred revenue treatment will discount the offer; one who can underwrite the EBITDA directly from your statements will pay closer to the high end.
A lender. SBA 7(a) loans for practice acquisition or buildout require three years of clean financials. Manufacturer financing for inventory floor plans, increasingly common as devices have gotten more expensive, requires monthly inventory reconciliation reporting.
The IRS. Audiology practices have unusual revenue patterns—high average transactions, multi-year service deliveries, significant insurance contractual adjustments. Audits in this industry tend to focus on revenue recognition timing and inventory shrinkage. Practices that cannot defend their ASC 606 treatment have an unhappy time.

Tracking these expense and revenue categories separately from day one is dramatically easier than reconstructing them at year-end from a year's worth of mixed transactions.

A Realistic Monthly Close Checklist

Here is what a disciplined monthly close looks like for an independent audiology practice:

This takes a dispensary owner with the right systems two to four hours. Done correctly, it gives you the dashboard you need to actually run the business.

Keep Your Practice's Finances Crystal Clear

Audiology practices live at the intersection of healthcare, retail, and long-term services, and that complexity demands financial records that are both rigorous and transparent. Beancount.io provides plain-text accounting that gives you complete control over your books—no vendor lock-in, full audit trail through version control, and AI-ready data for whatever practice management integrations come next. Get started for free and see why developers, finance professionals, and healthcare practitioners are switching to plain-text accounting that they actually own.