Does Aetna Cover Forteo?
The verdict
Conditional on most plans
Aetna (CVS Health) covers teriparatide for severe osteoporosis, but brand Forteo is frequently excluded from CVS Caremark formularies in favor of preferred generic teriparatide injection or Bonsity. CVS's aggressive generic-substitution posture — documented across multiple drug classes — applies here. When teriparatide is approved, it is a specialty drug requiring PA (12–24 months), documented bisphosphonate trial and failure, and CVS Specialty dispensing. Verify on your CVS Caremark formulary before assuming brand Forteo is covered.
Coverage is set by your specific plan and formulary. This is a research summary — always confirm with Aetna using your member ID.
Key facts
Brand Forteo is frequently excluded from Aetna/CVS Caremark formularies — generic teriparatide injection and Bonsity are the preferred alternatives on most plans.
CVS Caremark formulary data; BRIEFS research context
Teriparatide is approved for a maximum of 24 months of lifetime use — PA approval periods reflect this limitation.
FDA Forteo prescribing information; Eli Lilly
The 2026 Part D out-of-pocket cap of $2,100 protects Aetna Medicare members; manufacturer savings cards are not available for Medicare or Medicaid beneficiaries.
CMS Medicare Part D 2026 parameters
Medicare vs. commercial coverage
Whether Aetna covers Forteo depends heavily on which kind of plan you hold. They follow completely different rules — here's each one, side by side.
Medicare
Part D & Advantage plans
Medicare Part D (Aetna MA-PD and PDPs via CVS Caremark): teriparatide is covered on the specialty tier with PA; brand Forteo is often non-preferred versus generic teriparatide or Bonsity. Coinsurance is typically 25–33% after the deductible, capped at $2,100 for the year under the 2026 Part D out-of-pocket limit. Manufacturer savings cards are not available to Medicare beneficiaries. Verify brand Forteo's formulary status on your specific Aetna Medicare plan — generic teriparatide is the more likely covered option.
Commercial / Employer
Group & marketplace plans
Commercial/Employer: teriparatide is covered on the specialty tier with PA via CVS Caremark; brand Forteo is frequently excluded in favor of generic teriparatide or Bonsity. CVS Caremark's generic-first posture means the plan will typically approve the generic, not the brand, unless a documented medical reason supports brand-specific dispensing. CVS Specialty is the required dispensing pharmacy when the pharmacy-benefit path applies. Manufacturer copay support may be available to commercially insured patients for brand Forteo if approved — verify eligibility. ACA/Individual: teriparatide covered with PA where offered; brand Forteo often non-preferred. Medicaid (Aetna-managed): teriparatide covered per state PDL preferred-drug status with PA; brand vs. generic per PDL.
The 5 boxes you must tick to get approved
Commercial plans that will consider Forteo require prior authorization. Check off what applies to you to see how close you are — this is a guide, not a guarantee of approval.
Meet all 5 and you have a documented case for approval. Missing any one is the most common reason requests are denied.
Your cost, three ways
What Forteo actually costs you swings enormously depending on how it's covered. Here's the realistic range.
Paying cash
Brand Forteo is a high-cost specialty drug (list price in the several-thousand-dollar-per-month range — estimate; do not rely on a precise figure without verification). Generic teriparatide injection and Bonsity are lower-cost preferred alternatives — verify cash prices on GoodRx or your CVS Caremark formulary.
List price with no coverage — before any manufacturer savings card.
With coverage
Commercial: specialty-tier coinsurance per plan after CVS Caremark processing; manufacturer copay support may apply to brand Forteo for commercially insured if approved. Medicare Part D: typically 25–33% coinsurance after the deductible, capped at $2,100 for the year (2026 cap). Medicaid: per state PDL preferred-drug status; nominal cost-share. Savings cards are not available to Medicare or Medicaid beneficiaries.
Typical monthly copay once prior authorization is approved.
Bridge program
Brand Forteo may have manufacturer copay assistance for eligible commercially insured patients (Eli Lilly patient support). Manufacturer assistance is not available for Medicare or Medicaid. Contact Eli Lilly or visit forteo.com to check eligibility. Generic teriparatide manufacturers may also offer savings programs — ask your CVS Specialty pharmacist.
Reduced copay through the assistance program, where eligible.
Brand Forteo is frequently not the covered option at Aetna/CVS — confirm whether your plan covers brand or generic teriparatide before filling. All figures are estimates; verify with CVS Caremark or CVS Specialty.
Check YOUR exact coverage in 3 steps
General answers only get you so far. Here's how to confirm your own plan's decision in a few minutes.
- 1
Search the CVS Caremark formulary for teriparatide
Go to caremark.com or your Aetna member portal and use the drug-search tool to look up 'teriparatide' and 'Forteo' separately. The formulary will show whether brand Forteo is covered, non-preferred, or excluded — and whether generic teriparatide injection or Bonsity is the preferred alternative on your specific plan.
- 2
Confirm bisphosphonate step-therapy documentation with your doctor
Before initiating PA, verify with your prescriber that your bisphosphonate trial and failure is well documented (which drug, the dose, the duration, and the reason for discontinuation — lack of efficacy, contraindication, or side effects). This documentation is the key step-therapy requirement for teriparatide approval.
- 3
Have your prescriber submit the PA through CVS Caremark or Aetna
Ask your prescribing physician (endocrinologist, rheumatologist, or PCP) to submit the PA through the CVS Caremark portal or Aetna's PA process. The submission should include diagnosis (severe osteoporosis), step-therapy history (bisphosphonate trial and failure), and clinical rationale for teriparatide. If requesting brand Forteo, the prescriber must document a specific reason why the generic alternative is not appropriate.
Options if Aetna won't cover Forteo
A denial isn't the end of the road. These are the paths people commonly explore next — discuss any of them with your prescriber.
Generic teriparatide injection
The FDA-approved generic form of Forteo is the most likely covered option on Aetna/CVS Caremark formularies. It contains the same active ingredient at the same dose and is preferred over brand Forteo on most CVS Caremark plans. Ask your prescriber whether the generic is appropriate for your treatment.
Bonsity (teriparatide, Teva)
Bonsity is a branded generic teriparatide (Teva) that may be preferred or listed alongside the unbranded generic on CVS Caremark formularies. Check your specific Aetna plan drug list for tier placement.
Abaloparatide (Tymlos)
Another anabolic bone agent (PTHrP analog) approved for severe osteoporosis. May be covered on the specialty tier at a different preferred status than brand Forteo. Verify on your Aetna/CVS Caremark formulary.
These options are listed for information only — your own clinician decides what is appropriate for you.
❓Frequently Asked Questions
Often not. Aetna runs through CVS Caremark, which has an aggressive generic-substitution posture. Brand Forteo is frequently excluded from CVS Caremark formularies in favor of preferred generic teriparatide injection or Bonsity. When teriparatide is approved, the plan will typically cover the generic or preferred branded generic, not brand Forteo, unless a documented medical reason supports brand-specific dispensing. Verify on your CVS Caremark formulary before assuming brand coverage.
Aetna/CVS Caremark typically requires documented trial and failure of at least one bisphosphonate — such as alendronate, risedronate, or zoledronic acid — due to lack of efficacy, contraindication, or intolerable side effects. This bisphosphonate step-therapy requirement reflects teriparatide's role as a second-line anabolic agent for patients who cannot tolerate or have failed antiresorptive therapy. Your prescriber must document the specific bisphosphonate tried and the reason for discontinuation.
Yes, with important caveats. On Aetna Medicare Part D plans via CVS Caremark, teriparatide is covered on the specialty tier with PA, but brand Forteo is often non-preferred compared to generic teriparatide or Bonsity. Coinsurance is typically 25–33%, capped at $2,100 for the year under the 2026 Part D limit. Manufacturer savings cards are not available to Medicare beneficiaries. Confirm brand versus generic formulary status on your specific Aetna Medicare plan.
The contrast is stark. Aetna Prolia is covered under the medical benefit as a clinician-administered subcutaneous injection every 6 months (buy-and-bill via CVS Health provider networks), and it is broadly covered for approved osteoporosis indications. Brand Forteo, by contrast, is a self-injected daily pharmacy-benefit drug that is frequently excluded from CVS Caremark formularies in favor of generics. Both treat osteoporosis, but they are on opposite benefit rails with very different coverage outcomes.
It is possible but not guaranteed. CVS Caremark plans can approve brand Forteo over the preferred generic if the prescriber provides documented medical necessity — for example, a specific intolerance to an inactive ingredient in the generic formulation. The process requires submitting a non-preferred or brand-exception PA. Approval is not assured, and the bar is higher than for the generic alternative. Discuss the process with your prescriber and CVS Caremark before investing time in the appeal.
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Read moreThis content is for informational purposes only and does not constitute medical, financial, or insurance advice. Coverage rules, prior-authorization criteria, and copay amounts change frequently and vary by plan, formulary tier, and effective date — always verify current benefits directly with Aetna before making any decision. Consult a licensed healthcare provider and your plan administrator for guidance specific to your situation.