What to do
Confirm the facility is in network
The protection is built around the facility, not the surgeon. If the hospital or surgical centre participates in your plan, you are in scope even when the surgeon does not.
Check whether anyone in network can actually perform the procedure
This is the decisive question. Under 45 CFR 149.420(b), a provider may not use the notice-and-consent process for items and services furnished by a non-participating provider where no participating provider can furnish them. If nobody in network does your procedure, the protection cannot be waived.
Read anything you are asked to sign before surgery
A notice-and-consent form is how the protection gets waived. It must arrive at least 72 hours before the service for a scheduled appointment. If you are handed one, ask whether the service is even eligible for waiver.
Know which providers can never ask you to waive
Anaesthesiology, pathology, radiology, neonatology, emergency medicine, assistant surgeons, hospitalists, intensivists, and diagnostic services are all on the non-waivable list. For surgery, anaesthesia and assistant surgeons matter most.
Keep the gap exception running in parallel
This governs what you can be billed. It does not settle what the plan pays your surgeon. You may still want a gap exception and an executed single case agreement.
Raise it in writing if you are balance billed anyway
Cite the facility's participating status and the category you fall into. Your state insurance department and the federal No Surprises Help Desk both take these complaints.
The clause worth knowing by heart
45 CFR 149.420(b) lists what a provider may NOT ask you to consent away. One entry reads: items and services provided by a non-participating provider if there is no participating provider who can furnish such item or service.
That is the same fact a gap exception rests on, doing different work. For the gap exception it gets you in-network cost sharing by request. Here it means the balance-billing protection is not waivable at all — the consent form should never have been offered.
What it does not do
It caps what you can be billed. It does not require the plan to approve the surgery, does not decide medical necessity, and does not set what the plan pays your surgeon. Those are the appeal, the medical-necessity argument, and the single case agreement respectively.
Common questions
- Does it matter that I chose this surgeon?
- No. The regulation contains no language conditioning the protection on whether you selected the non-participating provider. It turns on the facility participating and the service category.
- I was asked to sign a consent form. Should I?
- Ask first whether the service is even eligible for notice and consent. If no in-network provider can perform it, or the provider is an anaesthesiologist or assistant surgeon, the form should not have been offered.
- How far in advance must the notice come?
- For a scheduled appointment, at least 72 hours before the service under 45 CFR 149.420(c). Short-notice appointments have their own shorter rule.
Where to go next
Sources for the legal points on this page
- No Surprises Act: the protection you cannot be asked to sign away
Federal · effective in force
29 CFR 2590.716-5 (non-emergency services by non-participating providers at participating facilities); 45 CFR 149.420(b) (categories where notice and consent is not permitted, including where no participating provider can furnish the service, anaesthesiology, and assistant surgeons), 149.420(c) (notice at least 72 hours in advance)
Status: settled · source-checked 2026-08-06 · primary source verified: 2026-08-06