Enhertu copay assistance programs

With commercial insurance: ENHERTU4U Patient Savings Program — as little as $0. With Medicare: the Enhertu card can’t be used. All 3 foundation funds we checked are closed as of September 28, 2026.

Copay program checked September 28, 2026 · Source ↗

See what this patient owes after assistance →

Enhertu assistance, in the order you will use it

Copay program · ENHERTU4U Patient Savings Program

Open

Who qualifiesCommercial insurance that covers ENHERTU; US or Puerto Rico resident; no income requirement

What it pays forThe Enhertu card pays for the drug and the administration (infusion or injection) fee.

Per claimInfusion assistance up to $100 per administration

Clinic-billed (medical benefit) claimsYes. Submitted by: the provider or the patient. Claim deadline: 180 days from the date on the explanation of benefits.

How to submitpatientsavings4u.com or 1-833-ENHERTU; approved amount is loaded on the patient's virtual debit card

Phone1-833-364-3788

What the program saysThe annual benefit can be used for the cost of the drug itself, and may also cover up to $100 in infusion costs per administration.

Enroll or read the terms ↗Claim forms ↗

Checked September 28, 2026 · Source 1 ↗ · Source 2 ↗

Free-drug program · ENHERTU4U Patient Assistance Program

Open

Who qualifiesIncome: Income at or below a certain level; threshold not published. Insurance: Must not have insurance (private or government) that covers ENHERTU; Medicare beneficiaries must have spent at least 3% of annual household income on prescription medicines in the current year.

Phone1-833-364-3788

What the program saysYou must not have insurance, private or government, that covers ENHERTU

How to apply ↗

Checked September 28, 2026 · Source 1 ↗ · Source 2 ↗

If the patient has Medicare

Enhertu’s card can’t be used with Medicare. These funds may help. They open and close with donations, so call before telling a Enhertu patient no.

HealthWell Foundation – Breast Cancer - Medicare Access (Enhertu listed)Closed $7,500 lists Enhertu
Checked September 28, 2026 · Source ↗

HealthWell Foundation – Non-Small Cell Lung Cancer - Medicare Access (Enhertu listed)Closed $6,000 lists Enhertu
Checked September 28, 2026 · Source ↗

HealthWell Foundation – Gastric Cancer - Medicare Access (Enhertu listed)Closed $8,500 lists Enhertu
Checked September 28, 2026 · Source ↗

Support hub · ENHERTU4U

What they doSavings program, patient assistance program, access and reimbursement support

Phone1-833-364-3788

Open the support site ↗

Checked September 28, 2026 · Source 1 ↗ · Source 2 ↗

Enhertu is billed under J9358. The Enhertu copay card can’t be used when Medicare or another government plan pays for Enhertu (HHS OIG guidance).

Last checked September 28, 2026 against each program’s own pages (links above). Methodology →

Program details are for information only and are not a guarantee of eligibility or benefit. Confirm current terms with the program before you rely on them.