How to Save Money on Thyrogen Kit in 2026: Coupons, Discounts, and Patient Assistance

Thyrogen Kit (thyrotropin alfa) is not cheap. The retail cash price for a complete two-injection treatment kit exceeds $4,000 at many specialty pharmacies. For patients facing thyroid cancer surveillance or radioiodine ablation, that price can be a significant barrier — especially for those with high-deductible insurance plans, coverage gaps, or no insurance at all.

The good news: Sanofi Genzyme has built a robust financial support infrastructure around Thyrogen Kit, and most patients pay far less than the retail list price. Here is a complete breakdown of every savings option available in 2026.

How Much Does Thyrogen Kit Cost Without Insurance?

The average retail cash price for a Thyrogen Kit two-injection treatment (two 0.9 mg vials of thyrotropin alfa) is approximately $4,000–$5,500, depending on the pharmacy and region. This does not include the cost of the clinical visit, nuclear medicine facility fees, or the radioiodine (if being used in combination with RAI ablation or imaging). Because Thyrogen is a specialty biologic with no generic, there are no significant discount coupon programs (like GoodRx) that reduce this price meaningfully for cash-pay patients.

Savings Option 1: Thyrogen Co-Pay Assistance Program (For Commercially Insured Patients)

If you have commercial (private) insurance that covers Thyrogen, you may be eligible for the Thyrogen Co-Pay Assistance Program offered by Sanofi Genzyme. Here is how it works:

Covers up to $1,000 of your out-of-pocket drug expenses per calendar year

Applies if your out-of-pocket costs exceed $100

You will receive a Thyrogen Co-Pay Card in the mail after approval

Does NOT cover administration or injection-related charges — only the drug cost

Not available to patients with Medicare, Medicaid, TRICARE, or other federal/state government insurance

Patients in Massachusetts, Michigan, or Rhode Island have limitations on infusion-related charge reimbursement per state law

To apply: Call ThyrogenONE at 1-888-497-6436 (Monday–Friday) or download the Co-Pay Self Application Form from thyrogen.com. You can also apply directly if you have already been billed for Thyrogen.

Savings Option 2: Patient Assistance Program (For Uninsured or Underinsured Patients)

If you are uninsured, underinsured, or your insurance does not cover Thyrogen, you may qualify for the Sanofi Patient Connection program — which can provide Thyrogen at no cost or at a substantially reduced cost based on income eligibility.

Eligibility requirements include meeting household income thresholds (the ThyrogenONE team will assess your individual situation). To apply:

Download the Thyrogen Patient Assistance Program Application Form from thyrogen.com

Complete the form with your prescribing physician

Submit and wait for ThyrogenONE to evaluate eligibility and contact you

Savings Option 3: Medicare Part B Coverage

For Medicare patients, Thyrogen Kit is covered under Medicare Part B — not Part D — when administered in a physician's office or outpatient hospital setting. This is an important distinction: Part B is your medical insurance, not your prescription drug insurance.

Under standard Medicare Part B cost-sharing, Medicare pays 80% of the approved amount after the annual deductible ($257 in 2025). If you have a Medigap (Medicare Supplement) plan, it may cover part or all of the remaining 20%. If you have a Medicare Advantage plan, your cost-sharing will follow your plan's specific cost structure.

Note: The Thyrogen Co-Pay Assistance Program does NOT apply to Medicare patients. For Medicare patients without supplement coverage who face high cost-sharing, ThyrogenONE case managers can help connect you with independent co-pay assistance foundations.

Savings Option 4: Medicaid Coverage

Medicaid coverage for Thyrogen Kit varies by state. In most states, Thyrogen must be deemed medically necessary, and a prior authorization from your physician may be required. If approved, Medicaid copays for Thyrogen are typically very low or zero. Contact your state Medicaid office or ThyrogenONE for your state's specific policies.

Savings Option 5: ThyrogenONE and Independent Co-Pay Foundations

For patients who do not qualify for any of the above programs, ThyrogenONE case managers can connect you with independent co-pay assistance foundations — nonprofit organizations that provide financial assistance for specialty medication costs regardless of insurance type. Call 1-888-497-6436 to discuss your specific situation.

Summary: Thyrogen Kit Savings Programs at a Glance

Commercial insurance + Co-Pay Card: Up to $1,000 OOP covered; call 1-888-497-6436

Uninsured/underinsured: Sanofi Patient Connection — drug potentially at no cost based on income

Medicare: Part B covers 80% in outpatient settings; supplement plans may cover the rest

Medicaid: Varies by state; prior auth typically required; low/zero copay if approved

No coverage at all: ThyrogenONE connects patients to independent charitable foundations

Once you have your cost covered, the next step is finding a facility that has it in stock. See our guide on how to find Thyrogen Kit near you.

Need help locating Thyrogen Kit at a facility near you? Visit medfinder.com — we contact pharmacies and specialty facilities on your behalf.