Preventive care is medical care you receive before you have symptoms. The goal is to stop a problem from starting, or to catch it early while it is still simple to treat. It covers four categories: screenings, vaccines, counseling, and certain preventive medications. A blood pressure check, a colonoscopy, a flu shot, and a conversation about quitting smoking all count.

Most private health plans must cover these services with no copay and no deductible when the service carries an A or B recommendation from the U.S. Preventive Services Task Force. Below is what falls inside that definition, plus the billing detail that surprises people most.

What Counts as Preventive Care

Category	Common examples
Screenings	Blood pressure, cholesterol, diabetes, colorectal cancer, mammograms, cervical cancer, depression
Vaccines	Flu, COVID-19, shingles, tetanus, HPV, childhood immunizations
Counseling	Tobacco cessation, healthy weight, alcohol use, nutrition
Preventive medications	Statins for certain adults, folic acid during pregnancy

Your list depends on age, sex, family history, and risk factors. Immunizations and screening schedules look different at 25 than at 65. Children follow their own schedule, built around growth and development checks plus required school vaccines.

What Makes a Visit Preventive Instead of Diagnostic

This is where people get an unexpected bill. A visit is preventive when you have no symptoms and nothing new is being investigated. The moment your doctor evaluates a complaint, such as chest pain or a lump you noticed, that portion becomes diagnostic and normal cost sharing can apply.

Bring up new symptoms at your annual physical anyway. Just know the visit may be billed in two parts, and ask your plan how it handles that.

Is Preventive Care Still Covered at No Cost?

Yes. On June 27, 2025, the U.S. Supreme Court upheld the Affordable Care Act requirement in a 6 to 3 decision. KFF estimates roughly 100 million privately insured people use these no cost services each year.

Final Thoughts

Preventive care means screenings, shots, counseling, and preventive medicine delivered before trouble starts.

Ask Yorktown Health Vernon Hills which services you are due for, and schedule preventive care in Vernon Hills this year.