How to read your explanation of benefits (EOB)
Posted on June 4, 2026 in Healthy You
After a dental visit, Delta Dental of Iowa will send you a document called an Explanation of Benefits, or EOB. At first glance, an EOB can look confusing but understanding it can help you feel more confident about your dental care and costs.
Why understanding your EOB matters
Taking a few minutes to review your EOB helps you:
- Confirm you received the services listed
- Understand what your insurance covered
- Spot potential billing errors early, before you receive an actual bill
First thing’s first: An EOB is not a bill
An EOB is a summary, not a bill. It is a snapshot of how your dental claim was processed by Delta Dental of Iowa. It explains what services you received, what your plan covered and what you may owe your dentist.
If you do owe money, your dentist will send a separate bill. Delta Dental of Iowa will not ask you for payment on behalf of your provider. The EOB simply helps you understand how that amount was calculated.
What you’ll see at the top
At the top of your EOB, you’ll find basic information like your name, member ID, your dentist’s name and a claim number. This section helps identify your visit and can be useful if you have questions or need to follow up on a claim.
Key sections to understand
While every EOB may look slightly different, most include the same core sections. Here’s what to look for:
- Procedure codes: Procedure codes standardize dental procedures so Delta Dental of Iowa can process claims consistently. You may find procedure code descriptions at the bottom of the EOB to understand what they mean.
- Date of service: This shows when each treatment was performed, helping you match the EOB to your appointment.
- Submitted amount: This is what your dentist charged for each service.
- Approved amount: This is the amount your dental plan agrees to pay for a service. It may be lower than the submitted amount due to discounted rates with in-network providers.
- Patient savings: The difference between the submitted amount and the approved amount.
- Allowed amount: The amount that Delta Dental uses to calculate payment responsibility under the terms of the patient’s dental benefits.
What insurance pays for — and what you pay for
This is often the most important part of your EOB.
Deductible: The amount you must pay out of pocket before your plan begins to pay for certain services.
Delta Dental pays: This is the amount Delta Dental of Iowa paid toward the service.
Patient pays: This is the amount you may owe your dentist. It can include deductibles, coinsurance or services not covered by your plan.
Watch for notes and codes
You may also see reference codes or notes explaining why a service wasn’t fully covered. These can indicate limitations, frequency rules or services that aren’t included in your plan.
While these codes can seem technical, they provide helpful context for customer service if something doesn’t look right.
Get familiar with your EOB and avoid surprise bills
Your Explanation of Benefits (EOB) may look complicated at first, but it’s a helpful guide to understanding your dental care and coverage. Once you know what to look for, it becomes much easier to read and use to your advantage.
If something doesn’t make sense, contact Delta Dental of Iowa’s customer service team. They’ll help you get to the bottom of the issue.
SOURCES:
Sample EOB