There’s no routine population screening test, so prevention is awareness and quick evaluation of changes.
Look for lumps, swelling, heaviness, or persistent ache.
Don’t wait weeks if something feels different.
Ask what the next step is (exam, ultrasound, referral).
Medicare Coverage
Evaluation of symptoms is usually medically necessary Part B care (exam + diagnostic testing).
This is typically not billed as a preventive screening benefit.
Cost-sharing depends on setting and plan rules.
Key takeaways
No routine screening—awareness matters.
New lumps/swelling should be evaluated quickly.
Diagnostic evaluation ≠ preventive screening.
Good to Know
Provider Accepts Assignment
In Original Medicare, “accepts assignment” means a provider agrees to Medicare’s approved amount as full payment (with you paying any required deductible/coinsurance). For many preventive services, using a provider who accepts assignment can help keep your costs lower and more predictable.
Screening vs Diagnostic
A screening test is done when you don’t have symptoms, to catch a problem early. A diagnostic test is done because you do have symptoms, an abnormal screening result, or a known condition that needs evaluation. The difference matters because Medicare may cover each one differently, and your costs can change based on how the service is billed.