Before your appointment: how to confirm your coverage and avoid a surprise bill

Many surprise bills are decided before you walk in the door. A few minutes of preparation can tell you roughly what a visit will cost and whether you are likely to receive a bill you did not expect.

Confirm the network, not just the practice. Ask whether the specific provider and the facility are both in network for your plan. A practice can be in network while one of its doctors, or the lab it sends samples to, is not.

Ask how the visit will be billed. The same appointment can be billed as a preventive visit or a diagnostic one, and most plans treat them very differently. If the visit is meant to be preventive, say so when you book, and ask what would change that during the visit.

Check your plan's cost share for the service. Your Summary of Benefits and Coverage lists what you pay for common services: a copay, coinsurance, and whether the deductible applies. Knowing the rule in advance is what lets you recognize a bill that does not follow it.

Know where you stand on your deductible. If you have not met it yet, you will often pay the full allowed amount for many services. Your insurer's member portal shows how much of the deductible you have met so far this plan year.

Ask about prior authorization. Some procedures, imaging and specialty drugs need approval from your insurer first. The provider usually requests it, but it is worth confirming, because a missing authorization can lead to a denied claim.

Keep a record. Write down who you spoke with, the date and what they told you. If a bill later contradicts what you were told, that record is where your case begins.

General information, not legal, medical or financial advice. Every plan is different, so check the details against your own plan documents.