Key Takeaways

  • Medicare Part B covers bone density tests once every 24 months for eligible beneficiaries
  • Qualifying risk factors include estrogen deficiency, vertebral abnormalities, steroid treatments, hyperparathyroidism, and osteoporosis monitoring
  • Most beneficiaries pay nothing for the test when ordered by a physician
  • Medicare Advantage plans must cover bone density tests but may have different costs and restrictions
  • Additional osteoporosis treatments and medications may have separate coverage guidelines

What Bone Density Tests Does Medicare Cover?

Medicare Part B (Medical Insurance) covers bone mass measurements, also called bone density tests, to determine if you have osteoporosis or are at risk for developing it. These non-invasive tests measure bone mineral density to assess fracture risk and monitor treatment effectiveness.

The most common test covered by Medicare is dual-energy X-ray absorptiometry (DEXA or DXA), which is considered the gold standard for diagnosing osteoporosis. Other covered tests may include quantitative computed tomography (QCT) and ultrasound densitometry, depending on medical necessity and your doctor's recommendation.

Medicare covers these tests once every 24 months (or more frequently if medically necessary). The coverage includes the test itself and the physician's interpretation of results. For most beneficiaries who meet eligibility requirements, Medicare pays 100% of the Medicare-approved amount when the service is performed by a participating provider, meaning there's no coinsurance or Part B deductible applied.

Who Qualifies for Medicare-Covered Bone Density Tests?

Medicare provides coverage for bone density tests for beneficiaries who meet at least one of these risk factors:

  • Women with estrogen deficiency who are at clinical risk for osteoporosis
  • Individuals with vertebral abnormalities that might indicate osteoporosis
  • Patients receiving (or expecting to receive) glucocorticoid/steroid therapy for more than 3 months
  • Individuals with primary hyperparathyroidism
  • Patients being monitored to assess response to FDA-approved osteoporosis drug therapy

Your healthcare provider must order the bone density test and document that you meet one of these risk criteria. The test must be performed by a qualified provider who accepts Medicare assignment to receive the full coverage benefit.

While age alone isn't a qualifying factor, many Medicare beneficiaries over 65 have one or more of these risk factors, particularly postmenopausal women who are at increased risk for osteoporosis due to estrogen deficiency. If you're unsure whether you qualify, discuss your risk factors with your healthcare provider.

Medicare Coverage Costs for Bone Density Testing

For beneficiaries with Original Medicare (Part B), bone density tests are typically covered at 100% of the Medicare-approved amount when ordered by a physician and performed by a provider who accepts Medicare assignment. This means you pay $0 for the test itself, with no deductible or coinsurance applied, as long as you meet the eligibility requirements.

However, there are some potential costs to be aware of:

  • Provider visits: While the bone density test itself is covered at 100%, you may still be responsible for costs associated with the doctor's visit when the test is ordered or when results are discussed. These visits are subject to the Part B deductible and 20% coinsurance.
  • Non-participating providers: If you receive the test from a provider who doesn't accept Medicare assignment, you might be charged up to 15% above the Medicare-approved amount (known as the limiting charge).
  • Hospital outpatient setting: If the test is performed in a hospital outpatient setting, you might be responsible for a copayment.

For Medicare Advantage (Part C) plan members, coverage for bone density tests is required, but costs may vary. Your plan might have different copayments, coinsurance, or deductibles. Some Advantage plans may require prior authorization or referrals for bone density tests. Check with your specific plan for details about coverage and out-of-pocket costs.

Additional Osteoporosis Services Covered by Medicare

Beyond bone density testing, Medicare provides coverage for several related osteoporosis services and treatments:

Medication coverage: Medicare Part D (prescription drug coverage) typically includes medications used to treat osteoporosis, such as bisphosphonates (Fosamax, Boniva), selective estrogen receptor modulators (Evista), and other bone-building agents. Coverage varies by plan, so check your Part D formulary for specific medications.

Home health benefit: Medicare may cover self-injectable osteoporosis drugs for certain homebound individuals who have had a bone fracture related to post-menopausal osteoporosis. This coverage falls under the home health benefit when a doctor certifies that the fracture was related to post-menopausal osteoporosis and that the patient is unable to self-administer the drug.

Physical therapy: For those diagnosed with osteoporosis, Medicare Part B covers medically necessary physical therapy to help maintain bone strength, improve balance, and prevent falls. This is particularly important for those who have already experienced fractures.

Nutritional therapy: Medical nutrition therapy may be covered for beneficiaries with certain conditions that might affect bone health, such as kidney disease or diabetes, when referred by a doctor.

Remember that while these services are covered, standard Part B cost-sharing (20% coinsurance after meeting the deductible) typically applies unless you have supplemental coverage that helps with these costs.

Conclusion

Medicare's coverage of bone density tests provides essential access to osteoporosis screening for those at risk. By understanding the eligibility requirements and coverage details, beneficiaries can take advantage of this preventive service with minimal out-of-pocket costs. Regular bone density testing, when combined with appropriate treatment and lifestyle modifications, plays a critical role in preventing fractures and maintaining quality of life. If you meet any of the risk criteria, discuss bone density testing with your healthcare provider at your next appointment to determine if you're due for this important screening.