What to Do If Your Insurance Denies a Medication

Why Insurance Companies Deny Medications

Many patients assume a denial means their insurer has decided the drug isn't necessary. In practice, most denials are administrative — the insurer needs more information, wants you to try a cheaper drug first, or hasn't received the right paperwork from your doctor.

Understanding why your medication was denied is the first step toward getting it covered. Here are the most common reasons:

• No prior authorization on file. Many brand-name and specialty drugs require your doctor to submit a prior authorization (PA) before the insurance company will cover them. If the PA wasn't submitted — or was submitted with incomplete information — the claim is automatically denied.
• Step therapy requirement. Your insurer may require you to try a cheaper alternative first (called "step therapy" or "fail first"). Until you've tried and documented failure on the preferred drug, they won't cover the one your doctor prescribed.
• Drug not on formulary. Your insurance plan has a list of covered drugs (the formulary). If your drug isn't on it, coverage is denied — even if the drug is FDA-approved and widely used.
• Quantity limits exceeded. The insurer may cover the drug but only at a lower dose or fewer units than prescribed.
• Coverage exclusion. Some plans explicitly exclude certain drug categories — for example, covering a medication for one condition but not another.

Step 1: Prior Authorization

Prior authorization is the most common first step — and the most common reason for a denial. It's essentially a request from your doctor to your insurance company explaining why you need this specific medication.

What your doctor needs to include

• Your diagnosis and clinical history
• Why this specific drug is medically necessary (not just preferred)
• What alternative treatments you've tried and why they didn't work or aren't appropriate
• Supporting clinical evidence or guidelines

How long it takes

• Standard 5–15 business days for a decision. This is the default timeline for non-urgent requests.
• Expedited 24–72 hours. Your doctor can request this if delay would seriously harm your health. Medicare Advantage plans must respond within 72 hours standard, 24 hours expedited.

Many patients assume the pharmacy will handle this, but pharmacies don't submit prior authorizations — your doctor's office does. If your doctor's office is slow to act, call them directly and be specific about what you need.

Step 2: Deal with Step Therapy ("Fail First")

Step therapy is one of the most frustrating barriers patients face. Your insurer requires you to try a cheaper drug before they'll cover the one your doctor prescribed. If the cheaper drug doesn't work — or causes side effects — then they'll approve the original prescription.

This feels like a waste of time, and sometimes it is. But there are ways around it:

• Document prior failures. If you've already tried the preferred drug in the past (even years ago), your doctor can submit records showing it failed or caused adverse effects. This can satisfy the step therapy requirement without you having to try it again.
• Request a step therapy override. If the preferred drug is medically inappropriate for you — because of drug interactions, allergies, or your specific condition — your doctor can request an exception.
• Check state laws. Several states have passed laws limiting step therapy, requiring insurers to grant exceptions when the alternative has already failed, when delay would cause harm, or when the prescriber provides clinical justification.

Step 3: File an Internal Appeal

If your prior authorization is denied — or if you never needed one and the denial was for another reason — your next step is a formal internal appeal. This is where you formally ask your insurance company to reconsider.

How to file an appeal

1. Get the denial letter

   Your insurer is required to provide a written denial that explains why coverage was refused and how to appeal. Read it carefully — it contains the specific reason code and appeal instructions, including the deadline (usually 30–180 days depending on plan type).

2. Ask your doctor for a letter of medical necessity

   This is the most important document in your appeal. Your doctor explains — in clinical detail — why you specifically need this drug and why alternatives are not appropriate. The stronger and more specific this letter is, the better your chances.

3. Gather supporting documentation

   Include relevant medical records, lab results, treatment history, and any clinical guidelines that support the use of this drug for your condition. Peer-reviewed studies or specialty society guidelines carry significant weight.

4. Write a personal statement

   A brief, honest description of how the medication (or lack of it) affects your daily life. Keep it specific and factual: "Without this medication, I experience [symptom] that prevents me from [activity]." Reviewers read hundreds of clinical documents — a clear, human statement stands out. Focus on symptoms, limitations, and what the medication enables you to do.

5. Submit the appeal before the deadline

   Follow the instructions in the denial letter exactly. Send everything together — the appeal form, your doctor's letter, supporting documents, and your personal statement. Keep copies of everything you submit and note the date, confirmation number, and the name of anyone you speak with.

Step 4: Request an External Review

If your internal appeal is denied, you have one more option — and it's your most powerful one. Under the Affordable Care Act, you have the right to an external review by an independent third-party organization that has no connection to your insurance company.

This is not another appeal to the same insurer. It's a review by a separate panel of medical experts who evaluate whether the denial was justified based on your clinical situation.

Why external review matters

• The external reviewer's decision is binding on your insurance company. If the reviewer approves coverage, the insurer must comply — no further appeal is needed.
• The review is conducted by independent medical professionals — not your insurer's staff — with no financial incentive to deny your claim.
• There is no cost to you for requesting an external review.
• For urgent situations, expedited external review must be completed within 72 hours.

To request an external review, follow the instructions in your internal appeal denial letter or contact your state insurance department. Your insurer is legally required to tell you how to request one.

Real-World Scenarios

These are the situations we see most often. Each illustrates a different denial reason and what worked:

What to Do While You Wait for a Decision

Appeals can take weeks. That wait is stressful — especially when the medication affects how you feel every day. But you are not stuck. In the meantime, here are your options:

• Request continuation of benefits. If you're already taking the medication and your coverage is being changed, you may be able to request temporary coverage while the appeal is processed. This is especially common with Medicare plans.
• Ask about manufacturer savings programs. Many drug manufacturers offer bridge programs or copay assistance while coverage is being determined. Check your drug's savings page on SaveRx.ai for details.
• Check for a copay card. If you have commercial insurance and the drug becomes covered after your appeal succeeds, a copay card can reduce your out-of-pocket cost to near-zero once coverage is confirmed.
• Ask about patient assistance programs. If you're uninsured or your appeal appears unlikely to succeed, a patient assistance program may provide the medication free while you work through the insurance process.
• Ask your doctor about samples. Your prescribing doctor may have manufacturer samples that can bridge you through the first few weeks while your PA or appeal is being processed.

What You Should Do Next

If your medication has been denied, take these steps in order:

1. Read the denial letter carefully

   Identify the specific reason for the denial and the deadline for appeal. If you haven't received a written denial, call your insurer and request one — they're legally required to provide it.

2. Call your doctor's office today

   Ask whether a prior authorization was submitted, and if not, request one immediately. If the PA was denied, ask your doctor to write a letter of medical necessity for the appeal.

3. File the appeal before the deadline

   Gather your doctor's letter, medical records, and a personal statement. Submit everything together. Keep copies and note the date.

4. Look up savings options for your specific drug

   While your appeal is in process, check for manufacturer savings on SaveRx.ai — including copay cards, PAPs, and cash-pay alternatives that can help bridge the gap.

Mistakes That Cost Patients Coverage

• Accepting the denial without appealing.
  The vast majority of denials are never appealed. If even a fraction of those patients filed appeals, many would get their medication covered. Always appeal — the odds are in your favor.
• Missing the appeal deadline.
  Deadlines vary by plan — some give you 30 days, others up to 180. Check your denial letter immediately and mark the deadline. Once it passes, you lose the right to appeal that specific denial.
• Appealing without your doctor's letter.
  A personal appeal without clinical documentation rarely succeeds. Your doctor's letter of medical necessity — with specific clinical details about why you need this drug — is the single most important piece of evidence.
• Not requesting an external review after a failed internal appeal.
  External review is free, binding on the insurer, and conducted by independent medical experts. Many patients don't know they have this right — it's the strongest tool available.
• Stopping the medication while waiting for the appeal.
  If you're already taking the drug, ask about continuation of benefits, samples, or manufacturer bridge programs. Gaps in treatment can affect both your health and your appeal.

Find Savings for Your Medication

While you navigate the insurance process, these guides can help you find alternative savings for your specific drug:

Frequently Asked Questions