Predetermination in dental insurance: what it is, and what it does not promise
A predetermination tells you what a plan expects to pay before treatment starts. It is an estimate built from the plan's rules on the day it is reviewed, which is useful and is not the same as a promise.
Part of Dental insurance, the full set of pages on this topic.
Predetermination, also called a pre-treatment estimate, is a request you send to a patient's dental plan describing the treatment you propose. The plan reviews it against the contract and replies with what it would allow and what it would pay. Nothing is performed and nothing is paid at that stage. You will see the same idea described as predetermination in healthcare more broadly: a plan's advance review of a proposed service, before it happens. The answer arrives as a document you can use to plan the case and to tell the patient what to expect.
Predetermination meaning, in one sentence
It is the plan's advance reading of its own rules applied to a specific treatment plan for a specific patient. That is why it is valuable on expensive work and why it is wrong to treat it as approval. The plan has told you how it reads the claim today, with the information it has today.
Predetermination vs pre-authorization
The two are often used as if they were one thing, and plans use the words inconsistently, so read what the plan actually says. The working difference is this.
| Compared on | Predetermination | Pre-authorization |
|---|---|---|
| Who asks for it | Usually the practice, by choice | The plan, as a condition of paying |
| If you skip it | The claim is still processed normally | The claim can be denied for lack of authorization |
| What the answer is | An estimate of allowed amount and payment | Permission for the treatment to be covered |
| Where it is most common | Dental plans, for larger cases | Medical plans, and some dental plans for specific services |
When a case is billed to medical, such as a sleep apnea appliance, expect pre-authorization rather than predetermination. The rules for that route are in our page on dental ICD-10 codes. For ordinary dental treatment, predetermination is the optional tool.
When to send one
- Large or expensive treatment plans, such as crowns on several teeth, bridges, implants, and periodontal surgery, where the patient's share is big enough to change their decision.
- Cases where a plan rule is likely to bite: a frequency limit, a missing tooth clause, an alternate benefit, or a waiting period you cannot confirm from the verification alone.
- Cosmetic-adjacent treatment where you are not sure the plan treats the service as covered at all.
- Any patient who has said they will only proceed if insurance pays a stated amount.
For a routine filling or a cleaning, it is rarely worth the wait. Check eligibility and benefits instead, which is what a good insurance verification does before the visit.
What it does and does not guarantee
A predetermination is reliable about how the plan reads the procedure, and unreliable about anything that can change between the review and the treatment.
- It does not guarantee payment. The estimate usually depends on the patient still being eligible on the date of service.
- It does not freeze the annual maximum. If the patient uses benefit on other treatment in the meantime, there is less left for yours.
- It does not override a clause the plan applies at claim time, such as a downgrade to a cheaper material or a coordination of benefits reduction when the plan finds another policy.
- It may expire. Ask the plan how long its answer stays valid, since many do not hold it indefinitely.
- It reflects the information you sent. A narrative or radiograph that was missing then can change the outcome later.
How to use it in the patient estimate
- Take the plan's allowed amount and its stated patient portion, not your fee and not your assumption.
- Write it down as an estimate, with the date of the predetermination and a plain line saying the plan's payment is not guaranteed.
- Leave room for the changes above: tell the patient that remaining benefit and eligibility will be checked again before treatment.
- When the claim is paid, compare the explanation of benefits against the estimate. A gap between them is usually one of the items in the list above, and the comparison shows which.
- Keep the predetermination response in the record. It is the document that settles an argument about what was said and when.
Sending one without losing a week
Most dental claim forms, including the standard ADA form described in our guide to the ADA claim form, let you mark the submission as a request for predetermination rather than a claim for services performed. Send the same attachments you would send with the claim: radiographs, charting, and a narrative where the case needs one. Response times vary by plan, so build the wait into the treatment schedule rather than learning it from a patient who is already in the chair.
Questions
What does predetermination mean in dental insurance?
It is a request to the patient's dental plan asking what it would allow and pay for proposed treatment, answered before the treatment is done. The reply is an estimate based on the plan's rules and the information sent, not a guarantee of payment.
Is predetermination the same as pre-authorization?
Not in the way most plans use the terms. Predetermination is an optional estimate the practice requests, while pre-authorization is a plan requirement that must be met for the service to be covered. Plans use the words inconsistently, so check what a particular plan asks for.
Does a predetermination guarantee that insurance will pay?
No. It usually depends on the patient being eligible on the date of service, on benefit still being available, and on no other policy or clause changing the result when the claim is processed. Treat it as the best advance estimate, and tell the patient so in writing.
How long does a predetermination take?
It varies by payer. Many plans answer in days, and some take weeks, and electronic submission is usually faster than paper. We cannot give you one number that holds across plans, so check the turnaround the payer states on its provider portal or ask when you verify benefits, and build that wait into the treatment schedule.
When is a predetermination worth sending?
For large treatment plans, for cases where a frequency limit, missing tooth clause, alternate benefit or waiting period could change the payment, and for patients who will only proceed if insurance pays a set amount. For routine care, an eligibility and benefits check is usually enough.