Whether insurance pays for Zepbound depends on two things: why it is prescribed, and what your plan has chosen to cover. The label gives it two uses, and each one opens a different door with different payers. What you pay with no coverage at all is set out in Zepbound price.
Two approved uses, two coverage questions
The Zepbound label covers weight reduction and long-term maintenance in adults with obesity, or with overweight and at least one weight-related condition[1]. It also covers moderate to severe obstructive sleep apnea in adults with obesity[1]. FDA approved the sleep apnea use in a supplement letter dated December 20, 2024[2].
The sleep apnea approval rested on two 52-week trials in adults with moderate to severe sleep apnea and obesity[3]. Participants took the maximum tolerated dose, 10 or 15 mg, or placebo[3]. In the trial without positive airway pressure, the apnea-hypopnea index fell by 25.3 events an hour on tirzepatide against 5.3 on placebo[3]. Lilly funded both trials[3].
That second use matters for payers. A plan that excludes weight-loss drugs may still review a request for sleep apnea on its own terms, so ask which diagnosis your prescriber will put on the prior authorization.
Employer and other commercial plans
Commercial coverage for weight loss is a plan choice. KFF asked firms with 200 or more workers whether their largest plan covered GLP-1 drugs used primarily for weight loss in 2025[4].
- Firms with 200 to 999 workers: 16% covered them[4].
- Firms with 1,000 to 4,999 workers: 30% covered them[4].
- Firms with 5,000 or more workers: 43% covered them[4].
Among firms that covered them, 34% required enrollees to meet with a dietitian, case manager or therapist, or join a lifestyle program[4]. Ask your plan for its written criteria before the prescription is sent, so each required step is in place.
What the savings card does, covered or not
Lilly’s card works in two ways for people with commercial insurance[5]. If your plan covers the single-dose pen, the card lowers the copay. If it does not, the card sets a lower cash price.
| Your commercial plan | Product | What you pay | Limits |
|---|---|---|---|
| Covers Zepbound | Single-dose pen | As little as $25 for a 1-, 2- or 3-month fill | Savings up to $100 a month and $1,300 a year; 13 fills a year |
| Does not cover Zepbound | Single-dose pen | As low as $499 a month | 13 fills a year |
| Does not cover Zepbound | KwikPen | $299 at 2.5 mg; $399 at 5 mg; $449 at 7.5 mg; $449 at 10 mg, 12.5 mg or 15 mg | 11 fills a year; savings capped per dose |
Two limits apply to every tier. Government beneficiaries are excluded[5], and the card ends on December 31, 2026, when savings stop unless Lilly renews it[5]. The Zepbound savings card guide walks through each tier.
Medicare
Part D does not cover drugs when they are used for weight loss[6]. The statute does this by pointing to Medicaid’s list of drugs states may exclude, which includes agents used for weight loss[6][7].
Sleep apnea is not weight loss. CMS’s fact sheet tells people with moderate to severe sleep apnea to contact their own Medicare drug plan, which may already cover a GLP-1 drug for them[8].
Medicaid
Federal law lets a state Medicaid program exclude or restrict drugs used for weight loss[7]. So coverage for weight differs by state, and a state may also require prior authorization for any covered drug[7].
CMS’s BALANCE model lets states join a negotiated arrangement for GLP-1 drugs for weight, including the Zepbound KwikPen[9]. It is voluntary for states and makers, and CMS says it does not guarantee coverage for any person[9]. Does Medicaid cover Ozempic explains how state choices work.
If the answer is no
Without coverage, Lilly’s self-pay price on LillyDirect is the brand fallback, priced by dose over a 28-day month[10]. Zepbound price sets out every dose.
Compounded tirzepatide is sold by telehealth sellers at their own prices. It is not FDA approved, so neither Lilly’s card nor the Medicare Bridge applies to it. Compare it on the all-in monthly calculator, with fees included, and check the no-membership sellers if a monthly membership is what tips the math. HSA and FSA rules may lower the after-tax cost of either route.