Can Medicare refuse to cover pre-existing conditions?

Asked by: Carroll Bogisich  |  Last update: July 19, 2025
Score: 4.5/5 (33 votes)

While Original Medicare doesn't restrict coverage based on pre-existing conditions, the rules are different for Medicare Supplement insurance plans. In some cases, insurance companies can review your medical history and charge you more, impose a waiting period for coverage, or deny your application altogether.

Does Medicare deny pre-existing conditions?

Yes. When you sign up for Original Medicare, any preexisting condition will be covered immediately.

Can people with preexisting health conditions no longer be denied coverage?

Health insurers can no longer charge more or deny coverage to you or your child because of a pre-existing health condition like asthma, diabetes, or cancer, as well as pregnancy. They cannot limit benefits for that condition either.

Can Medicare deny coverage?

Medicare can deny coverage if a person has exhausted their benefits or if Medicare does not cover the item or service. When Medicare denies coverage, it will send a denial letter. A person can appeal the decision, and the denial letter usually includes details on how to file an appeal.

What are reasons you can be denied Medicare?

There are many reasons Medicare might deny you coverage. Some common ones include: Medicare feels the service was not medically necessary. You've exceeded the maximum allowed days in a hospital or care facility.

Medicare Supplements and Pre Existing Conditions - Must Watch!

24 related questions found

What are common reasons Medicare may deny a procedure?

For example, Medicare may deny coverage if the procedure is considered elective or unnecessary. Documentation Issues: If the supporting documentation does not clearly state why the treatment is needed, Medicare may deny it. Proper documentation is important, as it provides the necessary evidence to support the claims.

How do you get disqualified from Medicare?

Mandatory exclusions: OIG is required by law to exclude from participation in all Federal health care programs individuals and entities convicted of the following types of criminal offenses: Medicare or Medicaid fraud, as well as any other offenses related to the delivery of items or services under Medicare, Medicaid, ...

What pre-existing conditions are not covered?

Is there health insurance for pre-existing conditions? Choosing a health plan is no longer based on the concept of a pre-existing condition. A health insurer cannot deny you coverage or raise rates for plans if you have a medical condition at the time of enrollment.

What are the 6 things Medicare doesn't cover?

Some of the items and services Medicare doesn't cover include:
  • Eye exams (for prescription eyeglasses)
  • Long-term care.
  • Cosmetic surgery.
  • Massage therapy.
  • Routine physical exams.
  • Hearing aids and exams for fitting them.

What is the 6 month rule for Medicare?

You can sign up for Part A any time after you turn 65. Your Part A coverage starts 6 months back from when you sign up or when you apply for benefits from Social Security (or the Railroad Retirement Board). Coverage can't start earlier than the month you turned 65.

What states have pre-existing condition protections?

In 2019 and 2020, at least 15 states (CT, DE, FL, HI, IN, LA, MD, ME, NH, NJ, NM, NV, OR, VT, and WA) have enacted laws to create or study coverage protections against pre-existing condition exclusions or coverage of all essential health benefits (EHB) provided for in the Affordable Care Act (ACA).

How far back is a pre-existing condition?

A pre-existing medical condition is a disease, illness or injury for which you have received medication, advice or treatment or had any symptoms (whether the condition has been diagnosed or not) in the five years before your joining date. Health insurance doesn't usually cover 'pre-existing conditions'.

Can UnitedHealthcare deny coverage for preexisting conditions?

Summary. Pre-existing condition exclusions are no longer applied to members covered under health insurance policies and group health plans. These rules apply equally to collectively bargained and non-collectively bargained plans.

What is the waiting period for a pre-existing condition under a Medicare?

In some cases, the Medigap insurance company can refuse to cover your out of pocket costs for these pre‑existing health problems for up to 6 months. This is called a “pre‑existing condition waiting period.” After 6 months, the Medigap policy will cover the pre‑existing condition.

Can a doctor refuse a Medicare Supplement?

The short answer is “No”. However, if a doctor accepts Medicare itself, which is your primary coverage, then they will also accept your Medigap plan, regardless of what company sold you the plan or which Medigap plan you have. The key thing to remember is that Medigap plans “follow” Medicare.

Does Medicare require prior approval?

Generally speaking, if you are covered by Medicare Part A or Part B, you rarely need prior authorization. Many services are already pre-approved. The exact answer depends on your coverage and your particular situation, but some exceptions to this may be prosthetics and durable hospital equipment.

Why are people leaving Medicare Advantage plans?

Key takeaways: People leave Medicare Advantage plans because out-of-pocket costs vary between plans, network restrictions can cause frustration, prior authorization requests can delay care, and it can be difficult to use the additional benefits they provide.

Do you have to pay if Medicare denies a claim?

If Medicare denies payment: You're responsible for paying. However, since a claim was submitted, you can appeal to Medicare. If Medicare does pay: Your provider or supplier will refund any payments you made (not including your copayments or deductibles).

What is the medicare rule for preexisting conditions?

Regardless of whether or not someone has preexisting conditions, if they are over 65, they can enroll in a Medicare plan. Preexisting conditions do not affect premiums either, so the cost will be the same.

What is the exclusion for pre-existing conditions?

The time period during which a health plan won't pay for care relating to a pre-existing condition. Under a job-based plan, this cannot exceed 12 months for a regular enrollee or 18 months for a late-enrollee.

How long is a condition considered pre-existing?

The length of time before the start date of coverage during which a condition would be considered pre-existing varies, and can be anywhere from 30 days to 6 months or longer.

Does everyone have to pay $170 a month for Medicare?

Most people pay no premiums for Part A. For Medicare Part B in 2025, most beneficiaries will pay $185 per month. Certain factors may require you to pay more or less than the standard Medicare Part B premium in 2025.

What makes you ineligible for Medicare?

Who is Eligible for Medicare? You are eligible for Medicare if you are a citizen of the United States or have been a legal resident for at least 5 years and: You are age 65 or older and you or your spouse has worked for at least 10 years (or 40 quarters) in Medicare-covered employment.

Can Medicare reject you?

Reasons for coverage denial

Medicare Advantage plans can deny coverage in various scenarios, such as the following: Missed Enrollment Deadlines: If you attempt to enroll in a Medicare Advantage plan outside of the specified enrollment periods, you may be denied coverage.