Understanding health insurance and you: Part one

18 de December de 2025

(English)

(English) Health insurance can feel complicated, but it doesn’t have to be. This article will walk you through how it works, break down key terms and show you how to save on medical expenses. Learn how to make the most of your coverage for everything from routine checkups to unexpected care.

Insurance terms 101

First, let’s look at some common insurance terms.

  • Premium: The amount you pay to the insurance carrier every month.
  • Copay: A fixed amount you pay for a covered service such as visiting your primary care provider or getting an X-ray. (Copays vary from one plan to next. You may not have copays for preventive services on certain plans).
  • Deductible: The amount you pay for covered services before your insurance begins to pay.
  • Coinsurance: The percentage of costs for a covered service you pay after you’ve met the deductible.
  • Maximum out-of-pocket costs: The most you pay for covered services in a given year.
  • Preferred cost-sharing: A term that refers to lower out-of-pocket costs (often reduced copays) for prescription drugs when you use certain in-network pharmacies.
  • In-network: The group of providers and pharmacies that accept your insurance (typically, the insurer has negotiated better rates with in-network providers). You might want to seek in-network providers who offer value-based care, which rewards providers for the quality of care they provide and focuses more on patient health outcomes.
  • Out-of-network: Providers and pharmacies that do not accept your insurance. If you seek care from an out-of-network provider, you may have to pay more or cover all the costs yourself.

How health insurance works

Because you use health insurance for routine and preventive care, you and your insurance company pay the costs together. The type of service and how much is spent on your healthcare in a calendar year will determine how much you pay and how much the insurance company pays. Here’s how it works:

  • Monthly premium: You pay a monthly premium, whether you use your insurance or not, to maintain your health insurance.
  • Copays/deductibles: When you seek care and/or fill a prescription, you pay either a copay or the full cost of the service/prescription as outlined in your policy. For any services provided or prescriptions filled, you pay up to the amount of your deductible. You can help reduce your costs by using in-network providers and pharmacies, especially pharmacies with preferred cost sharing. You might find that a value-based care provider with multiple services in the same location—onsite lab work, behavioral healthcare and health coaching—could make it easier for you to navigate your healthcare.
  • Coinsurance: Once you’ve met the deductible, your insurance starts to pay more of the cost for covered services. This is when coinsurance begins.
  • Out-of-pocket maximum: After you’ve paid enough in copays, deductibles and coinsurance to reach your out-of-pocket maximum, your plan covers all in-network, covered costs for the rest of the year or until you change plans.

Know what’s covered and what isn’t

Health plans typically cover routine and preventive services for things such as heart disease, diabetes, depression and cancer as well as shots for illnesses like the flu and pneumonia. Check your plan details to know which services are covered.

Plans can vary on which services or prescriptions are not covered. You’ll want to review your specific plan details. In general, most insurance plans do not cover cosmetic procedures (nose job, tummy tuck, facelift, etc.). Whether or not plans cover off-label uses for prescription drugs can vary. Off-label use means a drug is prescribed for something the U.S. Food and Drug Administration hasn’t approved it to treat, which can make insurance approval harder to get.1

Ways to save on medical expenses

Here are some tips to save more on your medical expenses:

  • Use in-network providers and pharmacies to avoid paying higher costs.
  • Fill your prescriptions at preferred cost-sharing pharmacies.
  • Confirm your medications are on your plan’s drug formulary. If they’re not, ask your provider if there is an alternative covered drug you could switch to, if there is a generic you could use instead or if they can do a medication reconciliation to evaluate your prescriptions.
  • Compare prescription costs at your local pharmacies. Humana’s MyHumana app and website let you compare costs side by side at nearby pharmacies so you can fill your prescription at the best cost.
  • Know whether your plan requires referrals for specialists or not. Typically, Health Management Organization (HMO) plans require you to see your primary care provider before seeking care from a specialist. When you work with a value-based care provider, they serve as your medical home base and help coordinate your care.
  • Understand where to get care. Learn when to seek primary care, urgent care or emergency room care  here.
  • Use telehealth services to get care from home.
  • Take advantage of free and paid screenings and services to maintain your health and identify any concerns early on.

Looking for more ways to get more out of your health plan? Read part two in our series.

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      1. https://www.goodrx.com/drugs/medication-basics/off-label-drug-prescriptions

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