Medically Necessary: Medicare Health Coverage Requirements

In order for a health care service to be covered by Medicare Part A or Part B, it must be deemed medically necessary. “Medically necessary” is defined as health care services or supplies that are necessary to prevent, diagnose, or treat an illness, injury, condition, disease, or their symptoms within accepted standards of medicine.

In other words, medically necessary services consist of health care that is necessary to keep you healthy.

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What procedures and services are not medically necessary?

Procedures, services, supplies, equipment and medications that are designed to treat the following are generally not considered medically necessary and therefore are not covered by Original Medicare:

  • Services for cosmetic purposes
  • Fertility, sexual or erectile dysfunction services or products
  • Weight loss or weight gain services and medication

Additional services that are not considered to be medically necessary include:

  • Instances in which a hospital stay exceeds the Medicare-approved length of time
  • Physical therapy treatment that surpasses the Medicare usage limit
  • Treatment administered in a hospital that could have been delivered in a lower-cost setting

What else is medically necessary?

Medicare also includes a number of preventive health measures.

Although the following services and products may not seem medically necessary, they are covered by Medicare (certain restrictions are required for some services):

  • Your Welcome to Medicare visit and your Annual Wellness Visit
  • Bone mass measurements
  • Colonoscopy
  • Breast examinations and mammograms
  • Cardiovascular disease screenings
  • Counseling to help prevent the use of tobacco or alcohol
  • Diabetes screenings and self-management training
  • Glaucoma screenings
  • HIV screenings
  • Behavioral therapy for cardiovascular disease or obesity
  • Medical nutrition therapy
  • Pap tests and pelvic examinations
  • Prostate cancer screenings
  • Depression screenings
  • Screenings and behavioral counseling for sexually transmitted infections
  • Vaccines including flu, hepatitis B and pneumococcal
  • Ultrasound screenings for abdominal aortic aneurysm

For more information on Medicare plan coverage

For more information about what Medicare does and does not cover, consult the Centers for Medicare & Medicaid Services’ Items and Services That Are Not Covered Under the Medicare Program or use the Medicare.gov Medicare coverage search tool.

Medicare Advantage plans cover everything Original Medicare covers, and some Medicare Advantage plans may also offer additional benefits such as prescription drug coverage, which Original Medicare doesn’t cover.

To learn more about Medicare Advantage plans where you live and the services they may cover – whether they are medically necessary or not – speak with a licensed insurance agent by calling TTY Users: 711 24 hours a day, 7 days a week.

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MedicareAdvantage.com is a website owned and operated by TZ Insurance Solutions LLC. TZ Insurance Solutions LLC and TruBridge, Inc. represent Medicare Advantage Organizations and Prescription Drug Plans having Medicare contracts; enrollment in any plan depends upon contract renewal.

Plan availability varies by region and state. For a complete list of available plans, please contact 1-800-MEDICARE (TTY users should call 1-877-486-2048), 24 hours a day/7 days a week or consult www.medicare.gov.

Medicare has neither reviewed nor endorsed this information.