Resource Aid Center

7 min read · Last updated September 16, 2026

Under Section 2709 of the Public Health Service Act (42 U.S.C. § 300gg-8), a non-grandfathered health plan has to keep paying for the routine care you’d get anyway. That means office visits, imaging, and standard bloodwork, delivered while you’re enrolled in an approved clinical trial for cancer or another life-threatening condition. It only gets to exclude the experimental drug or device itself and any tests done purely to collect research data rather than to treat you.

In this article

• What the next 24 hours require
• The three protections that activate the moment you enroll
• The mistakes that cost people money
• What to do at 30, 60, and 90 days
• Frequently asked questions

Naomi’s oncologist called on a Wednesday with an opening in a Phase 2 trial for her stage 3 diagnosis, and the trial coordinator needed an answer by Friday, two days later. Nobody on that call mentioned what would happen to her regular insurance once she said yes.

What the next 24 hours require

Before you sign the consent form, get two things in writing from the trial site: the protocol document and a written list of which costs the trial’s sponsor pays directly. Everything else, the part your own plan is responsible for, is called your “routine patient costs,” and it is governed by federal law, not by whatever the trial coordinator happens to say on the phone.

Call your plan’s member services line the same day and tell them, specifically, that you are enrolling in an approved clinical trial under 42 U.S.C. § 300gg-8. Ask them to flag your file so routine claims tied to the trial are not automatically coded as “investigational” and denied. This one call is the single most effective thing you can do before your first trial-related bill is ever submitted, because a denial is far easier to prevent than to appeal after the fact.

The three protections that activate the moment you enroll

A “qualified individual” is someone eligible for the trial under its own protocol, for treatment of cancer or another life-threatening disease, whose referring in-network provider or own medical evidence supports that participation is appropriate. Once you meet that definition, three things become true for a non-grandfathered plan:

1. It cannot deny you participation in the trial itself.
2. It cannot deny, limit, or add extra conditions to your coverage of routine patient costs connected to the trial.
3. It cannot discriminate against you, including through higher cost-sharing or a coverage cancellation, because you enrolled.

“Routine patient costs” is doing a lot of work in that second protection. The federal Centers for Medicare & Medicaid Services (CMS) spells out the split plainly in its own market-rules guidance for non-grandfathered plans.

Type of item or service	Your plan must cover it (routine patient cost)	Your plan does not have to cover it
Office visits, imaging, standard labs your protocol requires	Yes, if typically covered for a similar patient not in a trial	–
Hospital days for care your condition would need regardless of the trial	Yes	–
The investigational drug or device itself	–	Yes, this is excluded by statute
Extra scans or labs run only to collect study data, not used to manage your care	–	Yes, this is excluded by statute
A service clearly inconsistent with widely accepted standards of care for your diagnosis	–	Yes, this is excluded by statute

An “approved clinical trial” also has a specific legal meaning. It’s a federally funded or supported study, or a drug trial conducted under a Food and Drug Administration (FDA) investigational new drug application. A study exempt from that FDA requirement can still qualify if it meets the statute’s other conditions. Naomi’s trial coordinator confirmed hers was funded through the National Institutes of Health, which settled the question before her first bill was ever submitted. Ask your own trial coordinator which category your trial falls under and get it in writing. If it doesn’t fit one of these, the federal protection may not apply, and you’ll want to know that before you rely on it.

The mistakes that cost people money

The mistake that trips up the most patients: assuming the trial sponsor is paying for everything, so they never submit their routine visits to their own insurer at all. The sponsor typically pays only for the investigational item and study-only procedures. Every routine scan, lab, and office visit still needs to be billed to your plan the same way it would be if you weren’t in a trial.

The second mistake happens at the hospital’s own billing desk, not at your insurer. A billing coder sees “clinical trial” on your chart and reflexively codes the whole encounter as investigational, and the claim gets denied before a human ever looks at it. That’s exactly what happened to Naomi’s first scan.

Call the hospital’s billing office, ask them to re-code the routine portion of the visit separately from the investigational portion, and resubmit.

The third mistake is not checking whether your plan is grandfathered before you count on this protection. A grandfathered plan, one that has stayed materially unchanged since the Affordable Care Act (ACA), the 2010 federal health law, was signed, is exempt from this specific requirement. Ask your employer’s human resources department or check your Summary of Benefits and Coverage. Most employer plans today are non-grandfathered, but it’s worth five minutes to confirm rather than assume.

What to do at 30, 60, and 90 days

30 days. Pull the Explanation of Benefits (EOB) for every claim tied to the trial so far. If anything was denied as investigational, file a written appeal citing 42 U.S.C. § 300gg-8 by name and attach the trial coordinator’s letter confirming which costs the sponsor covers.

60 days. Ask the trial site for an updated, itemized list of sponsor-covered costs versus plan-billed costs. Trials sometimes adjust which visits are “extra” for data collection partway through, and your billing needs to track the current version, not the one from your enrollment packet.

90 days. If a claim is still wrongly denied after your first appeal, move to a formal internal appeal under your plan’s federal claims procedure, and if that fails, an external review. The federal rules governing that process, including your right to a decision within a set number of days, are the same ones that already apply to any other wrongly denied hospital claim. Naomi’s re-coded scan cleared on the first appeal; not every case resolves that fast, which is exactly why the 90-day step exists.

Frequently asked questions

Does this protection apply to Medicare or Medicaid? No. Section 2709 governs private group and individual market health plans. Medicare has its own separate clinical trial coverage policy, and Medicaid coverage of clinical trial costs varies by state, so check with your specific program instead of assuming this statute applies.

What exactly counts as an “approved” clinical trial? A federally funded or supported study, a drug trial conducted under an FDA investigational new drug application, or a study exempt from that requirement that still meets the statute’s remaining conditions for treating cancer or another life-threatening disease. Get this classification from your trial coordinator in writing.

Can my employer’s plan just refuse to let me join the trial? No, as long as the plan is non-grandfathered and you meet the statute’s definition of a qualified individual, it cannot deny your participation, and it cannot penalize you afterward for having joined.

What if I find out my plan is grandfathered? Ask your employer’s human resources department how the plan handles trial-related routine costs anyway. Some grandfathered plans still cover them voluntarily, but you don’t have the federal backstop if a claim is denied, so document everything and escalate through your plan’s own appeal process early.

Who decides whether I’m a “qualified individual” under the statute? Either your referring, in-network health care provider concludes your participation is appropriate given your condition, or you personally submit medical and scientific information showing the same thing. You don’t need your insurer’s advance sign-off to be a qualified individual; you need to meet the trial’s own protocol and have that clinical support on record.

Related reading: The first two weeks after a serious diagnosis, what to do when your insurer denies a hospital claim, and the 72-hour prior authorization clock after a diagnosis cover the surrounding first weeks in more detail.