Federal IDR · Guide
What is No Surprises Act IDRA guide for surgical billing teams.
Independent Dispute Resolution, or IDR, is the federal process created by the No Surprises Act to settle payment disputes between out of network providers and health plans. When a plan pays a surgical claim below market, the provider can take it to a neutral arbitrator who picks one final number. Providers win most properly filed disputes, and surgical awards run far above the insurer's qualifying payment amount.
For the primary overview, see what federal IDR is.
What the No Surprises Act changed.
The No Surprises Act took effect in 2022 and changed how out of network bills get paid. Patients can no longer be balance billed for most emergency care and for many services at in network facilities. That protection is good for patients, but it left providers with a question: when the plan underpays, how do you recover the difference?
How Independent Dispute Resolution works.
The answer is Independent Dispute Resolution. IDR is baseball style arbitration. The provider submits one offer, the plan submits one offer, and a neutral entity picks one of the two. There is no splitting the difference, which rewards the side whose number is closest to fair market value.
Why the data favors providers.
The data favors providers who file. Across recent reporting periods, the prevailing offer beat the insurer's qualifying payment amount in the large majority of determinations, and surgical specialties have seen the widest spreads of any category. Most eligible claims are never disputed, which means most underpayments are simply absorbed.
Closing the recovery gap.
Sydra exists to close that gap. The process is public, but absorbing the loss is easier than fighting each claim by hand, so most practices absorb it. Sydra makes filing fast enough to work the whole book: your billing team checks eligibility, assembles the federal packet, and submits in about five minutes per claim. You keep the full recovery instead of handing a contingency attorney a fifth of it.
Common questions.
Who can use federal IDR?
Out of network providers and facilities with claims covered by the No Surprises Act, once the open negotiation requirement is met. Self funded plans route to federal IDR in every state.
Is IDR the same as balance billing?
No. Balance billing the patient is what the No Surprises Act stops. IDR is how the provider recovers the difference from the plan instead of the patient.
How long does IDR take?
The arbitrator issues a determination within 30 business days of selection in most cases. The packet itself takes minutes to assemble on Sydra.
This page is general information about the No Surprises Act dispute process, not legal advice. Eligibility depends on the specific plan, claim, and current federal and state rules. Confirm details for your claim before filing.
Sourced references
- 1. CMS Federal IDR Q1/Q2 2025 Public Use FileReleased January 21, 2026cms.gov/nosurprises/policies-and-resources/reports
- 2. Georgetown University CHIR · Health Affairs webinarMarch 2026 — 3.4 million disputes through June 2025; 88% win rate; median award ~4.5x in network rate
- 3. Zelis — NSA IDR Eligibility ChallengesMarch 2026 — 44% of 2024 IDR cases challenged as ineligible by non initiating party
- 4. ACEP analysis of CMS data~10% of eligible claims estimated to reach IDR arbitration
- 5. Brookings Institution NSA Arbitration DatabookApril 2026brookings.edu/articles/no-surprises-act-arbitration-databook
- 6. ACR — Providers Prevail in Vast Majority of IDR ClaimsJanuary 2026 — 88% of disputes found in provider's favor; 87% of awards exceeded QPA
- 7. No Surprises Act: Public Law 116-260, Division BB, Title I
- 8. Federal IDR regulations: 45 CFR Part 149ecfr.gov/current/title-45/subtitle-A/subchapter-F/part-149
- 9. CMS No Surprises Act overviewcms.gov/nosurprises
- 10. HHS HIPAA for professionalshhs.gov/hipaa/for-professionals
Ready to see Sydra on a real denied claim?
Schedule a 15 minute walkthrough. No commitment. We show you what Sydra generates from a recent case.