Why the words matter more than the list price
NIDDK puts it simply: some insurance plans cover medicines for overweight and obesity and some do not, so the first step is to ask your plan [10]. What you pay then depends on whether the drug is on the plan’s list, which conditions the plan accepts it for, and how much of the bill is yours under your plan’s cost-sharing. Each of those has a defined term, and knowing the term makes the conversation with a plan, a pharmacist or a prescriber’s office much shorter.
The coverage terms, defined
| Term | What it means | Source |
|---|---|---|
| Formulary (drug list) | The list of prescription drugs a plan covers | HealthCare.gov [3]; Medicare [14] |
| Prior authorization | Approval from the plan that may be needed before it covers a prescription | HealthCare.gov [1] |
| Preauthorization | The plan’s decision that a treatment is medically necessary; also called prior approval or precertification, and not a promise of payment | HealthCare.gov [2] |
| Step therapy | A kind of prior authorization requiring a less expensive listed drug to be tried before a more expensive one | Medicare [4] |
| Quantity limit | A cap on how much of a drug the plan covers over a set period | Medicare [4] |
| Exception | The plan agrees to cover a drug not on its list or to waive a coverage rule | Medicare [4] |
| Coverage determination | A formal request to the plan about a drug you have not received yet | Medicare [5] |
| Transition fill | A one-time temporary supply of a drug you were already taking when new coverage begins | Medicare [4] |
The cost-sharing terms
For a medicine that is not on the formulary, or not approved by the plan for your situation, these protections may not apply at all, which is why the coverage terms come first [8].
- Deductible: what you pay for covered care before the plan starts paying. Some plans have a separate deductible for prescription drugs [7].
- Copayment: a fixed amount you pay for a covered service or prescription [7].
- Coinsurance: a percentage of the cost that you pay [7].
- Out-of-pocket maximum: the most you pay for covered, in-network care in a plan year; premiums and anything the plan does not cover are not counted toward it [8].
Why the label’s approved use matters
Medicare explains that a plan may cover a drug for some medical conditions and not others, and may use prior authorization to check which one it is being prescribed for [4]. With GLP-1 medicines this matters because products with the same active ingredient carry different approved uses. Ozempic® is approved for adults with type 2 diabetes, including to lower cardiovascular and kidney risks in that group [12]. Wegovy® is approved, with diet and activity, to reduce excess weight, to lower major cardiovascular risk in adults with heart disease and overweight or obesity, and to treat a form of fatty liver disease called MASH [11]. Zepbound® is approved for weight reduction and, in adults with obesity, for obstructive sleep apnea of moderate to severe degree [13].
A plan’s criteria often mirror these uses. Asking the plan which diagnosis and which product it accepts saves a round of paperwork, and it is the prescriber, not the pharmacy or the plan, who decides which product is clinically appropriate.
When the answer is no
Medicare describes two routes for a drug you have not received yet: a coverage determination, or an exception to a rule such as prior authorization, step therapy or a quantity limit [4][5]. For an exception, the prescriber must supply a statement explaining why the drug is medically necessary, for example that another drug would be less effective or would cause harm [4][5].
For private plans, HealthCare.gov describes an internal appeal, in which the insurer must review its own decision and speed up urgent cases, and an external review, in which an independent third party decides and the insurer no longer has the final say [6]. Insurers must tell you why they denied a claim and how to dispute it [6].
What a manufacturer savings program is, and is not
Drug makers offer copay coupons, savings cards and similar support to insured patients to reduce their out-of-pocket cost for a specific brand-name drug [9]. The federal Office of Inspector General explained in 2014 that, because of the anti-kickback statute, such coupons typically carry a statement that they cannot be used by people whose drugs are paid for by federal programs such as Medicare and Medicaid [9]. The same bulletin mentions that manufacturers wishing to help those patients can donate to independent charities that provide support regardless of the medicine used [9].
Eligibility rules, caps and end dates are set by each manufacturer and change, so read the terms on the manufacturer’s official site for your medicine on the day you apply. We do not list amounts here for that reason.
Outside the United States
Everything above describes US terms and US programs. In other countries reimbursement works differently. In Türkiye, ask the Social Security Institution (SGK) about reimbursement conditions, and your pharmacist and prescriber about how a prescription will be filled and paid for.
Questions to ask before the first fill
- Is this exact product on my plan’s formulary, and for which conditions?
- Is prior authorization or step therapy required, and what documents does it need?
- Is there a quantity limit, and how long does an approval last before renewal?
- Which cost-sharing applies: deductible, copayment or coinsurance?
- If the request is denied, how do I ask for an exception or file an appeal, and how long does each take?
Ozempic® and Wegovy® are registered trademarks of Novo Nordisk A/S. Zepbound® is a registered trademark of Eli Lilly and Company. PepLabo is not affiliated with or endorsed by Novo Nordisk or Eli Lilly and Company.
When to get help
The signs and contact information below come from this article’s sourced guidance.
Today
- You will run out before coverage is sorted and may miss doses
Contact: Your prescriber or pharmacist, before the gap
Wegovy® label, missed doses [11]