Dental billing in US healthcare is the work of turning a completed procedure into collected money: verifying the plan before the visit, coding the treatment in CDT, sending a claim to the payer, posting the remittance against the contracted rate, and collecting whatever the plan did not pay from the patient. It runs on its own code set, its own claim form and its own plan rules. A biller trained on medical claims cannot simply move across, and a practice that treats dental billing as a subset of medical billing will misprice almost every case.
The seven places money moves, and what breaks at each
Practices tend to picture billing as claim submission. Claim submission is the cheapest stage to fix and the least likely to be the problem.
| Stage | Who usually owns it | What typically breaks |
|---|---|---|
| Eligibility and benefits verification | Front desk or a verification team | Coverage percentage recorded without the frequency limit, waiting period or maximum already used |
| Treatment plan and patient estimate | Treatment coordinator | Estimate built from the office fee instead of the contracted allowable |
| Coding and charge entry | Dentist, then biller | Clinical note does not support the code that was entered |
| Attachments and narrative | Biller | Radiographs and periodontal charting sent after the denial, not with the claim |
| Claim submission | Biller or clearinghouse | Claim rejects at the clearinghouse and nobody works the rejection report |
| Remittance posting | Biller | Payment posted as correct with no check against the contracted rate |
| Appeal or patient billing | Biller plus front desk | Balance ages past the point where the patient remembers the treatment |
Our step by step guide to the dental billing cycle walks each stage in order with the documents that have to exist at each handoff.
Is dental billing different from medical billing?
Different enough that hiring a medical biller into a dental office without a training plan is a predictable mistake. The forms, the code sets, the transactions and the plan architecture all differ.
| Dental | Medical | |
|---|---|---|
| Procedure codes | CDT, maintained by the ADA, revised annually effective January 1 | CPT and HCPCS |
| Diagnosis codes | Fields exist on the claim form, rarely required | ICD-10-CM required |
| Paper claim form | ADA Dental Claim Form | CMS-1500 or UB-04 |
| Electronic claim | 837D | 837P or 837I |
| Remittance | 835 | 835 |
| Eligibility inquiry | 270 and 271 | 270 and 271 |
| Plan ceiling | Annual maximum, a cap on what the plan pays | Out-of-pocket maximum, a cap on what the patient pays |
| Advance review | Predetermination, usually advisory and not a payment guarantee | Prior authorization, frequently binding |
| Frequency rules | Written per code, per time period, per tooth or quadrant | Far less common at procedure level |
The annual maximum row is the one that changes daily behavior. A medical out-of-pocket maximum protects the patient: once it is met, the plan pays more. A dental annual maximum, commonly quoted in the 1,000 to 2,000 dollar range per person per year and worth confirming on every plan you verify, protects the plan: once it is met, the patient pays everything. That single inversion is why dental practices sequence treatment across calendar years and why a verification that omits maximum-used-to-date is worthless.
Some dental procedures are billable to medical plans, a separate skill again. Our list of dental procedures eligible for medical billing covers where it is worth the effort.
Do dental services use ICD-10 codes for billing?
For a dental plan, usually not. The ADA Dental Claim Form does carry fields for ICD-10-CM diagnosis codes and pointers, and a small number of payers ask for them, but the overwhelming majority of dental claims adjudicate on the CDT code, the tooth number, the surface and the date of service. Confirm the requirement per payer rather than assuming, since this varies by plan and by state program.
For a medical plan, always. The moment a dental procedure is billed to medical, the claim changes shape completely.
| What you are billing | Procedure code | Diagnosis code | Form |
|---|---|---|---|
| Adult prophylaxis to a dental plan | D1110 | Not required by most payers | ADA claim form, 837D |
| Surgical extraction to a dental plan | D7210 | Not required by most payers | ADA claim form, 837D |
| The same extraction to medical after facial trauma | CPT, selected from the surgical description | ICD-10-CM required, such as an S02 fracture code | CMS-1500, 837P |
| Panoramic image to medical in a temporomandibular workup | CPT 70355 | ICD-10-CM required, such as an M26.6 code | CMS-1500, 837P |
Medical payers also want clinical justification in a form dental payers rarely ask for. That usually means a letter of medical necessity and supporting diagnostics rather than a two-line narrative. We cover both: the letter of medical necessity in dental billing and the medical diagnostics required for dental pathology billing.
What is one thing about dental billing that most billers get wrong?
They read the remittance as a receipt instead of auditing it against the contract.
Here is the arithmetic, illustrative but shaped like a real case. A porcelain crown, D2740. Office fee 1,400 dollars. Contracted allowable on your fee schedule with that payer, 900 dollars. Plan pays 50 percent of the allowable.
| Line | Amount |
|---|---|
| Office fee | 1,400 |
| Contracted allowable | 900 |
| Plan pays, 50 percent of 900 | 450 |
| Contractual write-off, 1,400 minus 900 | 500 |
| Patient responsibility, 900 minus 450 | 450 |
Now the remittance arrives with an allowed amount of 820 rather than 900. The plan pays 410. If that is posted without a check, the system books an 80 dollar larger write-off, the patient is billed 410 instead of 450, and nothing in the practice management software objects. There is no denial code. There is no rejection. The claim paid.
Two rules prevent this. First, write-off equals your fee minus the contracted allowable, never your fee minus what the plan paid. The second formula silently absorbs every underpayment into an adjustment. Second, the allowed amount on the remittance has to be compared against the allowable you priced from, on every line, every time. Forty crowns a year at an 80 dollar variance is 3,200 dollars that no report in a standard setup will ever surface.
The same discipline catches the reverse case, where the plan applies a frequency limit, a waiting period or an alternate benefit that verification missed. The variance is the signal. The denial report is not.
How to tell if a dentist is overcharging?
Patients ask this, and it lands on the front desk. It is also a useful self-audit.
- Compare the statement to the explanation of benefits, line by line. For in-network care, the patient's share is the allowed amount minus the plan payment. A statement asking for more than the allowed amount on an in-network claim is balance billing, which network contracts generally prohibit.
- Read the codes, not the descriptions. A comprehensive evaluation, D0150, at every six-month recall instead of a periodic evaluation, D0120, is worth a question. So is scaling and root planing, D4341 or D4342, without periodontal charting in the record showing pocket depths that support it.
- Check dates and tooth numbers. Duplicates and mismatches are usually data-entry errors, and usually fixable in one phone call.
- Ask for a written pre-treatment estimate on large cases. A predetermination is advisory rather than binding, but a written estimate built from the contracted allowable is a document both sides can hold.
- Separate out-of-network from overcharging. Out-of-network, the office sets its own fee and the plan pays a percentage of its own allowed amount, which is often far below that fee. A large patient share there is arithmetic, not misconduct.
Where a patient believes something is genuinely wrong, the routes are the state dental board for clinical conduct and the state insurance department for payment conduct. As of this writing the thresholds and the complaint process vary by state, so confirm with your state authority before telling a patient what to expect.
What this costs to run
Salary and cost questions here are really one question: in-house, outsourced, or software plus existing staff. The pricing shapes differ more than the totals do.
| Model | How it is usually priced | What stays with the practice regardless |
|---|---|---|
| In-house biller | Base pay plus payroll taxes and benefits, commonly adding 20 to 30 percent on top of base | Coverage when that person is out, and everything they did not get to |
| Outsourced billing service | A percentage of collections, a flat monthly fee, or a per-claim rate | Clinical documentation, code selection, patient conversations |
| Software plus existing staff | Per location or per provider subscription | Appeals, judgment calls, aging patient balances |
Run the arithmetic on your own collections before comparing quotes. A practice collecting 1.2 million dollars a year at a 3 percent collections-based fee is paying 36,000 dollars, which is a real salary. The number that matters is not the rate but the scope: who verifies benefits, who works clearinghouse rejections, who posts remittances, who audits allowed amounts, and who chases the patient balance after insurance. If the answer to the last two is nobody, the model is not cheaper, it is just quieter. Our comparison of dental billing software for streamlining RCM covers what the tooling can and cannot absorb, and our guide to handling unpaid patient balances covers the stage most vendors leave behind.
Curo reads full benefits before the visit, prices treatment from the contracted allowable, and then checks each remittance line back against that price so an underpayment surfaces as a variance rather than disappearing into an adjustment, which is the EOB reconciliation step most setups skip.
Where to start if you are rebuilding this
Take one month of posted remittances and pull the allowed amount for your ten highest-volume codes. Compare each against the fee schedule you believe you are contracted at. If they match, your billing is healthier than most and you can move on to aging. If they do not, you have found the leak, and you found it without adding a single report to anyone's morning.
The claim itself is the easiest part of this work. It is almost never where the money goes.