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After any visit to a doctor, specialist, or hospital that’s been processed by your insurance, you’ll receive a document called an Explanation of Benefits — commonly known as an EOB. For many members, this form can look complicated and even a little alarming at first glance. But once you know what each section is telling you, an EOB becomes one of the most useful tools you have for understanding and tracking your health care spending.
An EOB is not a bill. You do not owe money to UnitedHealthcare when you receive an EOB. It is a summary statement that explains how a claim was processed — what your plan paid, what was adjusted, and what (if anything) you may owe your provider. Wait for an actual bill from your doctor’s office or hospital before making any payment.

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What Is an EOB?

Every time a health care provider submits a claim to UnitedHealthcare on your behalf, UHC processes it according to your plan’s rules and then sends you an EOB. Think of it as a receipt and a report card for your insurance coverage combined — it shows you exactly how your plan handled the charge, line by line. Reviewing your EOBs regularly helps you catch billing errors, understand your out-of-pocket costs, and keep track of your progress toward your deductible and out-of-pocket maximum.

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Breaking Down Each Section of Your EOB

This is the date — or range of dates — on which you received the medical care described in that line of the EOB. If you had multiple procedures during the same visit, each may appear on its own line with the same date. Always match this against your own records; if you see a date for a service you don’t remember receiving, contact UHC Member Services to investigate.
This field identifies the doctor, specialist, lab, hospital, or facility that submitted the claim. Verify that the provider name matches who you actually saw. Errors here — such as a claim filed under the wrong physician’s name — can sometimes cause a service to be processed as out-of-network when it shouldn’t be.
This is the full charge your provider submitted to UnitedHealthcare — sometimes called the “submitted” or “billed” amount. This is not what anyone actually pays. Providers routinely bill at a higher rate than the negotiated price, especially for in-network care.
Because UHC has contracts with in-network providers, those providers agree to accept a lower, pre-negotiated rate for services. The “amount allowed” (also called the “eligible” or “negotiated” amount) is that agreed-upon rate — and it’s the number everything else on the EOB is based on. The difference between the amount billed and the amount allowed is written off by the provider; you are not responsible for that gap.
This is the dollar amount UnitedHealthcare paid directly to your provider from this claim. How much UHC pays depends on your plan type, whether you’ve met your deductible, and the specific service rendered. For preventive care visits, this number may equal the entire allowed amount, meaning you owe nothing.
This is the amount your provider may bill you after insurance has been applied. It can include one or more of the following components:
  • Deductible: The portion you must pay out of pocket before your plan starts sharing costs.
  • Copay: A flat fee you owe for a specific type of service (e.g., $30 for a primary care visit).
  • Coinsurance: Your percentage share of the allowed amount after your deductible is met (e.g., 20%).
  • Not covered: Charges for services your plan doesn’t cover at all.
This is the only number from your EOB that your provider may legitimately bill you for. If you receive a bill from your provider that’s higher than the “your responsibility” amount on your EOB, contact your provider’s billing department — and UHC if needed — to resolve the discrepancy.

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Common Adjustments and Why They Appear

Sometimes the EOB will list an “adjustment” or “reduction” with a reason code. These are normal and can appear for several reasons:

Contractual Adjustment

The most common type — the difference between what was billed and the in-network negotiated rate. This is simply the discount your provider agreed to accept.

Coordination of Benefits

If you have coverage under more than one plan (for example, through both your job and a spouse’s employer), this adjustment reflects how the two plans are sharing the cost.

Non-Covered Service

The service isn’t included in your plan’s benefits. Your provider may bill you for the full allowed amount in these cases.

Benefit Maximum Reached

Your plan covers only a certain number of visits or a maximum dollar amount for a type of service, and that limit has been met for the benefit period.

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Accessing Your EOBs Online or on Paper

1

Sign in to your member account

Log in at uhc.com using your HealthSafe ID.
2

Go to Claims & Accounts

Select Claims & Accounts from the main navigation, then choose View EOBs or click on any processed claim to see its EOB details.
3

Download or print

You can download a PDF of any EOB for your records. UHC stores your EOBs online for several years, making them easy to retrieve for tax purposes or dispute resolution.
Opt in to paperless EOBs in your account settings to receive your statements by email instead of mail — you’ll get them faster and can access them anywhere.

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What to Do If You Disagree With an EOB

If something on your EOB doesn’t look right — an incorrect service, a denial you believe should be covered, or an amount that doesn’t match your plan documents — here’s what to do:
  1. Review your plan documents to confirm what’s covered and at what cost-sharing level.
  2. Contact your provider’s billing office to confirm the correct procedure and diagnosis codes were submitted.
  3. Call UHC Member Services at the number on your ID card to ask for a plain-language explanation of any line item.
  4. File a formal appeal through your member account if you believe a claim was processed incorrectly. You typically have 180 days from the date on the EOB to file an appeal.
Understanding your EOB puts you in control of your health care finances. Even a quick review after each claim can help you spot errors early and ensure you’re never paying more than your fair share.