My health plan says my drug is not on its formulary. Can I still get it covered?

This notice

The pharmacy says the claim was rejected. Or a letter from your plan or its pharmacy benefit manager says the drug is not on the formulary.

A formulary is the plan’s list of covered drugs. A drug that is not on the list is often called “non-formulary.”

This is a different denial from one that says a service is not medically necessary. With this one, the plan is not judging your care. It is saying the drug is not on its list.

Many plans must have an exceptions process for this. Through it, your prescriber can ask the plan to cover a drug it does not normally cover.

Official path

1. Ask the plan whether the drug is not on the formulary or is excluded by the plan contract. Write down the answer, the date, and the name of the person you spoke with.
2. Request a list of covered alternatives. Note which ones you have already tried, when, and why they did not work.
3. Ask your prescriber to submit an exception request. HealthCare.gov says the prescriber must explain why covered drugs will not work as well or could cause harmful side effects.
4. Mark the request expedited if you are already on the drug or your health is at serious risk. Federal rules call these “exigent circumstances.”
5. Track the clock. For plans covering essential health benefits, a standard decision is due within 72 hours and an expedited one within 24 hours.
6. Ask about a temporary supply while the exception is pending. HealthCare.gov says plans may cover the drug during review, but they are not required to.
7. Request an external exception review if the plan denies the request. Plans covering essential health benefits must send denied exceptions to an independent review organization when you ask.
8. Use the CMS Part D exceptions process if you have Medicare drug coverage. It has its own forms and the same 24-hour and 72-hour decision times.

Employer plans that are large or self-funded may follow different rules. Check your plan documents or ask your human resources office.

What people reported

Often helps

• Maryland’s Attorney General reported that carriers received 44,226 non-formulary drug requests in fiscal year 2026 and denied 46.61% of them. Pharmacy made up 51% of internal grievances, and 56% of pharmacy grievances were overturned or modified.
• An October 2025 r/HealthInsurance poster said a parent got a formulary exception approved by listing each drug tried, the dates, and why it failed, plus proof the medicine helped.
• A January 2025 r/HealthInsurance commenter said a doctor willing to send detailed medical records made the yearly exception request fairly routine.

Often fails

• Several r/HealthInsurance commenters said an appeal of a true plan exclusion rarely works. They said the formulary exception path is for drugs that are simply not listed.
• A January 2025 poster said their exception was approved, but the drug cost 40% coinsurance instead of the old copay. That matches HealthCare.gov’s note about the top cost tier.
• Relying on a phone answer alone. An April 2026 commenter said a written denial can differ from what was said on the phone.

Template

[YOUR FULL NAME]
[YOUR ADDRESS]
[CITY, STATE ZIP]
[DATE]

[HEALTH PLAN OR PHARMACY BENEFIT MANAGER]
[APPEALS OR EXCEPTIONS ADDRESS OR FAX]

Re: Formulary exception request, member ID [MEMBER ID]

To [HEALTH PLAN]:

I am asking for an exception to cover [DRUG NAME, STRENGTH] prescribed by [PRESCRIBER NAME]. On [DATE], I was told the drug is not on the plan’s formulary.

My prescriber is sending a statement explaining why covered alternatives will not work for me. I have already tried [DRUG 1] from [DATES] and [DRUG 2] from [DATES]. They did not work or caused [SIDE EFFECTS].

[I am currently taking this drug and ask for expedited review because my health could be seriously harmed without it.]

Please send your decision in writing to me and my prescriber. If you deny this request, please explain the reason and how to ask for an external review.

Sincerely,
[YOUR FULL NAME]

Enclosures: [PRESCRIBER STATEMENT, RECORDS OF DRUGS TRIED]

Stop here if…

• The denial says the drug is not medically necessary or needs prior authorization for clinical reasons; see the medical-necessity guide below.
• You are going without a drug you need right now; call your prescriber and the plan’s urgent line today.
• You have Medicaid; use your state Medicaid agency’s notice and fair hearing rights printed on the letter.
• The denial cites an employer plan exclusion; ask your plan sponsor or human resources office in writing.

FAQ

Is a non-formulary drug the same as an excluded drug?

Not always. A non-formulary drug is one the plan does not list, and an exception may still cover it. Some plans exclude whole drug categories in the contract. Ask the plan which one applies, because the path is different.

How fast must the plan decide an exception?

For plans that cover essential health benefits, federal rules say 72 hours for a standard request and 24 hours for an expedited one. Medicare Part D uses the same timing. Your plan documents may describe other rules for other plan types.

Will I pay my normal copay if the exception is approved?

Maybe not. HealthCare.gov says the plan generally charges the cost share for its most expensive covered drug tier, but that amount counts toward your out-of-pocket limit.

What if the exception is denied?

Plans covering essential health benefits must let you ask an independent review organization to look at the denied exception. Other plans may offer an internal appeal and external review. Read the denial for the steps and deadline.