Key takeaways
- Medicare will generally cover a nuclear stress test when a doctor deems it medically necessary, such as when assessing for a heart condition.
- A person would need to meet the Part B deductible, which in 2025 is $257, and pay a 20% coinsurance on the cost of the procedure.
- Medicare Advantage (Part C) offers the same coverage as Original Medicare (Parts A and B) but may require using in-network providers. Deductibles and out-of-pocket costs vary by plan.
Medicare will generally cover a nuclear stress test when a doctor deems it medically necessary. However, specific coverage details and criteria may vary, so a person may wish to consult their insurance provider or doctor regarding coverage.
A nuclear stress test is a type of diagnostic exam that uses a radioactive tracer to see how well blood flows through the heart muscle during activity and while resting.
To receive coverage for a nuclear stress test, a doctor will have to consider the test medically necessary, and a person will need to receive the test from qualified medical personnel.
Stress tests are a type of nonlaboratory diagnostic test, so they would receive coverage under Medicare Part B (medical insurance). A person would need to pay the Part B deductible of $257 and a 20% coinsurance on the cost of the procedure. They would also need to pay a copayment if they receive the test in a hospital outpatient setting.
They would also be covered by Medicare Advantage (Part C), so long as a person receives the test from an in-network provider. Costs would vary based on the specific plan and a person’s location.
Various medical situations may require nuclear stress testing. These include:
- examining chest pain following difficult-to-interpret EKG readings
- assessing any congenital issues of the coronary artery
- looking for coronary artery disease (CAD) in people with heart failure
- evaluating cardiomyopathy when there is no plan for cardiac catheterization
If a nuclear stress test is not considered medically necessary, Medicare will not cover it. This may be the case when:
- the test would duplicate information learned in another test
- the results will not affect a person’s treatment decisions
- the test is not ordered due to changes in a person’s symptoms
Both tests examine how well the heart functions during stress. Typically, this involves monitoring a person as they move progressively faster on a treadmill.
With a standard cardiac stress test, healthcare professionals will monitor the heart’s electrical activity with an EKG.
With a nuclear stress test, healthcare professionals also inject the person with a radioactive tracer before the test and take images of the heart to see which areas may not be receiving adequate blood supply.
Learn more about what to expect with a nuclear stress test.