Denied as a duplicate claim: what it means and how to fix it

What does denied as a duplicate claim mean?

It means your insurer's system thinks it has already seen a bill for the same service, on the same day, for the same person. Instead of paying it a second time, it denies the second one.

Often that happens because the office sent the bill twice, or sent a fix in a way that looked like a brand new bill. Sometimes the first claim was paid or is still being worked on, and the second is simply the extra copy. Your letter or explanation of benefits should list a reason, and that wording is worth keeping.

Do I have to pay if my claim was denied as a duplicate?

Not automatically. A duplicate denial often points to a billing mix-up, so do not pay a bill just because it arrived. First find out whether the original claim was paid, is still pending, or was denied for another reason.

Ask your insurer what happened to the first claim and what you owe, if anything, and ask them to put the answer in writing or give you a reference number. If you are unsure, you can text a photo of your letter to us and we will tell you where it breaks.

How do I get the office to send a corrected claim?

Most duplicate denials are fixed by the office, not by you. Your job is to gather the facts and ask clearly. Calm and specific works best.

Follow these steps.

• Step 1: Get the facts from your insurer. Call the number on your insurance card. Ask whether the first claim for this date of service was paid, pending, or denied, and ask for the denial reason in writing. Write down the date, the time, and the name of the person you spoke with.
• Step 2: Gather your papers. Have your denial letter or explanation of benefits, the bill, your insurance ID number, and the claim number in front of you.
• Step 3: Ask the office to check and correct the claim. Call the office that billed you. Tell them the insurer denied the claim as a duplicate, give the claim number, and ask them to find out why and send a corrected claim if one is needed. Ask what they will send and when.
• Step 4: Follow up and keep a log. Call the insurer again in about two weeks to ask whether the corrected claim arrived. If it is denied again, you can ask for a formal review, called an appeal. Keep watching the appeal deadline on your letter while you wait.

Can I appeal a duplicate claim denial, and how long do I have?

Yes. For most private health plans you can ask your insurer to review its decision, which is called an internal appeal. HealthCare.gov says you must file within 180 days, about 6 months, of receiving the notice that your claim was denied. For a service you already received, the insurer must finish that appeal within 60 days.

Deadlines are not the same for every kind of coverage. Medicare has its own appeal steps, generally 5 levels, and each decision letter explains how to move to the next one. Medicaid and stand-alone dental plans can also have their own rules and time limits. The deadline printed on your own denial letter or plan papers is the one to follow, so check it and act early.

If the insurer still says no after an internal appeal, you may be able to ask for an external review, where an independent third party looks at it so the insurer no longer has the final say. Your plan papers or your state insurance department can confirm which rules apply to you.

Why was my claim denied as a duplicate when I only had the service once?

The most common reason is that the bill was sent more than once, or a correction was sent as a new claim instead of as a fix to the first one. Either can make a computer flag it as a copy.

Other times the first claim is still being processed, or it was already paid and the second letter is just the extra copy. Ask your insurer what happened to the first claim. Do not assume you did anything wrong.

Who can help me if I am stuck?

If you have private health insurance, your state's Consumer Assistance Program may be able to file an appeal for you. If you have Medicare, a State Health Insurance Assistance Program (SHIP) offers free counseling, and you can appoint someone you trust, such as a relative or friend, as your representative.

You can also text a photo of your denial letter to (213) 606-6303. We read it and reply with where it breaks. It is free, with no account and no form. We are not lawyers, and this is not legal or medical advice.

Your checklist

• Find the denial letter or explanation of benefits and note the claim number
• Circle the date of service, the denial reason, and the appeal deadline on the letter
• Call your insurer: was the first claim paid, pending, or denied?
• Write down the date, time, and name of everyone you speak with
• Do not pay until you know what happened to the first claim
• Ask the office to send a corrected claim, and ask when
• Mark your calendar with the appeal deadline from your letter (180 days for many private health plans; Medicare, Medicaid, and dental plans can differ)

A letter you can copy

[Date] [Insurance company name] [Claims or appeals address from your denial letter] Re: Request to review claim denied as a duplicate Member name: [Your full name] Member ID: [Your insurance ID number] Claim number: [Claim number from your letter] Date of service: [Date] Date of denial notice: [Date] To whom it may concern, My claim for the service on [date of service] was denied as a duplicate. I received this service only once on that date. Please tell me what happened to the original claim for this date, including whether it was paid, is pending, or was denied, and the reason. If the denial was caused by a billing or paperwork error, please review the claim and process it correctly once the provider sends a corrected claim. If you cannot do that, please treat this letter as my request for an appeal of this decision. Please also send me your decision in writing. I have attached copies of my denial notice and bill. You can reach me at [phone number or email]. Thank you, [Your name]

Which rules apply to you?

The steps and deadlines on this page can differ by the kind of plan you have. Your own denial letter always comes first.

• Coverage through a job:ask your HR team whether the plan is “self-funded” or “fully insured.” It can change who you can ask for help. Most private-sector job plans fall under a federal law called ERISA, and the U.S. Department of Labor’s EBSA takes health plan questions at Ask EBSA or 1-866-444-3272.
• Marketplace plan: follow the appeal steps at HealthCare.gov.
• Medicare or Medicaid: each has its own appeal process, listed on your notice.
• Dental-only plan: your plan contract sets the appeal rights, so read it and your letter.

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Free tools for the next step

Keep your appeal papers in one place. Take a photo of your denial letter, EOBs and insurance cards with GetPreCare, so they are on your phone when the insurer or the office asks. Free. Open GetPreCare. Helping a parent or partner? Set it up for them.