Medical Underwriting

Medical underwriting is a process insurers use to look at your health when you apply for coverage. They may use this information to decide if they will offer coverage, how much it will cost, or if any limits apply.  

Today, standard Marketplace plans do not use medical underwriting in this way. You cannot be denied coverage or charged more just because of your health.

Last updated: September, 2026

Key Takeaways 

  • Medical underwriting looks at your health when you apply for coverage.
  • It has been used to decide price, coverage limits, or whether to offer coverage. 
  • Standard Marketplace plans do not use medical underwriting the way older insurance plans once did. 
  • Marketplace plans must cover pre-existing conditions and cannot charge more based on your health. 
  • Understanding this can help you choose coverage with more confidence. 

What is Medical Underwriting?

Medical underwriting is when an insurance company looks at your health when you apply for coverage. It may review past or current health needs to decide if it will offer coverage, how much it will cost, or if any limits apply. This is the general meaning of the term in health insurance.

For standard Marketplace coverage, medical underwriting is not used. Marketplace plans must accept all applicants and must cover pre-existing conditions. This means you cannot be denied coverage or charged more just because of your health.

How This Shows Up in Real Life

For example, before current health insurance rules, a person with asthma might worry about being charged more or having limits placed on their coverage. Today, Marketplace plans work differently. They must cover pre-existing conditions and cannot reject you or charge you more just because of your health.

How Medical Underwriting Affects What You Pay

For a standard Marketplace plan, medical underwriting usually does not affect what you pay. Marketplace plans cannot charge you more just because of a pre-existing condition.

Your costs depend more on the coverage you choose. This includes: 

Today, this term is mainly helpful for understanding how health insurance worked in the past, not how Marketplace coverage works now. 

Where to Find This in Your Plan Details

To check how your health insurance plan handles coverage and costs, you can look at: 

These resources can help you check covered services, cost sharing, and network rules. If you have questions about pre-existing condition protections, Marketplace materials can also help explain your rights. 

How This Changes Across Marketplace Plans 

Medical underwriting is not usually a difference between standard Marketplace plans. These health insurance plans follow the same rules for pre-existing conditions. 

The main differences are how coverage is set up. This includes monthly premiums, provider networks, and out-of-pocket costs. 

  • Standard Marketplace plans do not use medical underwriting to deny coverage for pre-existing conditions. 
  • Most differences come down to cost and provider networks. 
  • Comparing premiums, deductibles, and provider networks can help you choose the right coverage. 

FAQs About Medical Underwriting

Usually, no. Standard Marketplace plans must cover pre-existing conditions and cannot deny you coverage or charge you more only because of your health. This means your health history does not affect your eligibility or your price for Marketplace coverage. 

Medical underwriting means an insurer looks at your health when you apply for coverage. It may use that information to decide if it will offer coverage, how much it will cost, or if any limits apply. This process was more common before current Marketplace rules were in place. 

No. Marketplace plans cannot charge you more only because of a pre-existing condition. They also cannot refuse to cover essential health benefits because of it. This protection applies to all standard Marketplace coverage. 

This term helps explain how health insurance decisions were sometimes made in the past or in other types of coverage. Understanding it can make it easier to see how Marketplace protections work today. It also helps you understand what has changed in how coverage is offered. 

No. Medical underwriting is about reviewing your health during the application process. Your costs depend on the coverage you choose, including your premium, deductible, copays, and coinsurance. These costs are set by the insurance plan, not by your health history in Marketplace coverage. 

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Have Questions About How This Works with Your Ambetter Health Plan?

Already covered? Your benefits vary by plan and location. Limitations and exclusions may apply. Contact Ambetter Health or call Member Services at the number on the back of your Member ID Card for answers specific to your coverage.   

Not yet a member? Our licensed agents are ready to help you find the perfect plan. Call 855-680-3270 (TTY: 711), Monday-Friday 8 a.m. to 9 p.m. ET, to discuss your health insurance options.