The No Surprises Act (NSA): Balance-Billing Rules, QPA Methodology, IDR Arbitration, and Good Faith Estimates

What Is the No Surprises Act? Short Answer

The No Surprises Act (NSA)—enacted under Division BB, Title I of the Consolidated Appropriations Act, 2021 (Pub. L. 116-260) and implemented jointly by the Departments of Health and Human Services (HHS), Labor (DOL), and the Treasury (45 CFR Part 149; 26 CFR Part 54; 29 CFR Part 2590), effective January 1, 2022—is a federal law that protects patients enrolled in group and individual health plans from surprise balance billing when they receive emergency care, air ambulance transport, or non-emergency care from out-of-network clinicians at in-network facilities. The law also mandates pre-service Good Faith Estimates (GFEs) for uninsured or self-pay patients and establishes a federal Independent Dispute Resolution (IDR) arbitration process to resolve payment disputes between out-of-network providers and commercial insurers.

Definition and Scope: Which Services and Payers Are Covered?

Before the No Surprises Act, a commercially insured patient who presented to an out-of-network emergency department—or who underwent scheduled surgery at an in-network hospital where an out-of-network anesthesiologist, radiologist, or pathologist participated—could be ‘balance billed’ for the full difference between the provider’s billed chargemaster rate and the insurer’s out-of-network allowed amount. Note that federal health care programs such as Original Medicare, Medicaid, TRICARE, and Indian Health Service already prohibited balance billing under separate statutory authorities (for Original Medicare noncoverage disclosures, providers instead follow Advance Beneficiary Notice [ABN, Form CMS-R-131] and Medicare Outpatient Observation Notice [MOON] rules).

Under 45 CFR §§ 149.410, 149.420, and 149.440, the No Surprises Act bans balance billing and restricts patient cost-sharing (deductibles, copayments, and coinsurance) to in-network levels across three covered scenarios:

Protected Care Category	Statutory & Regulatory Scope (45 CFR Part 149)	Can Notice & Consent Waive Protection?
1. Emergency Services (45 CFR § 149.410)	Emergency medical screening and stabilization at an out-of-network hospital emergency department or independent freestanding emergency department, plus post-stabilization inpatient or observation care	Never for screening/stabilization; permitted for post-stabilization only if the attending physician certifies the patient can travel using non-medical transport to an available in-network facility and Form CMS-10780 is signed
2. Non-Emergency Services at In-Network Facilities (45 CFR § 149.420)	Items and services furnished by an out-of-network physician or practitioner at an in-network hospital, hospital outpatient department, critical access hospital, or ambulatory surgical center (ASC)	Never for ancillary services (anesthesia, pathology, radiology, neonatology, hospitalists, intensivists, assistant surgeons, diagnostics); permitted for non-ancillary providers only with timely CMS-10780 Notice & Consent
3. Air Ambulance Services (45 CFR § 149.440)	Emergency and non-emergency medical transport furnished by an out-of-network rotary-wing or fixed-wing air ambulance provider	Never (Note: ground ambulances are excluded from federal NSA rules, though state balance-billing laws may apply)

How Qualifying Payment Amount (QPA) and Standard Notice & Consent Work in Practice

1. The Qualifying Payment Amount (QPA, 45 CFR § 149.140)

When a protected out-of-network service is furnished, the patient’s cost-sharing is calculated using the Recognized Amount—which is determined first by an applicable All-Payer Model Agreement (such as Maryland’s), second by a specified state balance-billing law (for state-regulated plans), or third by the Qualifying Payment Amount (QPA) (which governs self-funded ERISA group health plans and states without a specified law). Under 45 CFR § 149.140, the QPA is defined as the health plan’s median contracted rate on January 31, 2019 for the same or similar item or service, furnished by a provider in the same or similar specialty within the same geographic region, indexed annually by the Consumer Price Index for All Urban Consumers (CPI-U). Health plans must disclose the QPA to the provider alongside the initial payment or notice of denial.

2. Strict Rules for Standard Written Notice and Consent (Form CMS-10780)

In the limited non-ancillary or post-stabilization situations where an out-of-network provider is permitted to seek a waiver of balance-billing protections, the provider must use the official HHS Standard Written Notice and Consent Document (OMB Control No. 0938-1401 / Form CMS-10780), provide a good-faith cost estimate of the out-of-network charges, and meet strict timing rules:

• Scheduled ≥ 72 hours in advance: The notice must be provided to the patient (in their preferred language among the top 15 languages in the state) at least 72 hours before the date of the appointment.
• Same-day appointment (scheduled < 72 hours in advance): The notice must be provided on the date the appointment is scheduled and at least 3 hours before the item or service is furnished.

The No Surprises Act Independent Dispute Resolution (IDR) Process Step-by-Step

When an out-of-network provider, facility, or air ambulance supplier disputes the initial out-of-network payment amount issued by a group or individual health plan (where no state law or All-Payer Model governs), 45 CFR § 149.510 establishes a mandatory federal timeline culminating in ‘baseball-style’ final-offer arbitration:

1. Initial Payment or Notice of Denial (30 Calendar Days): Within 30 calendar days after the provider transmits a clean claim, the health plan must issue an initial payment or a notice of denial of payment, accompanied by the QPA and contact information for initiating open negotiation.
2. Open Negotiation Period (30 Business Days): A disputing party must send a formal Open Negotiation Notice within 30 business days beginning on the day the provider receives the initial payment or denial. The parties then have a 30-business-day open negotiation period to agree on a payment rate directly.
3. Initiating Federal IDR (4 Business Days): If the 30-business-day open negotiation period expires without agreement, either party has exactly 4 business days (starting the business day after open negotiation ends) to submit a Notice of IDR Initiation through the federal IDR portal and propose a certified IDR entity.
4. Certified IDR Entity Selection and Offer Submission (10 Business Days): Once the certified IDR entity is selected and confirms eligibility (and no conflict of interest), both parties have 10 business days to submit their final payment offer (expressed as both a dollar amount and a percentage of the QPA), pay the administrative fee and certified IDR entity fee, and submit credible supporting clinical/market evidence.
5. Binding Baseball-Style Payment Determination (30 Business Days): Within 30 business days of selection, the certified IDR entity must select one of the two final offers (it cannot split the difference). Under the statute and post-Texas Medical Association judicial standards, the arbiter considers the QPA alongside credible non-double-counted factors: the provider’s level of training, experience, and quality/outcomes measurements; market share; patient acuity or case complexity; teaching status, case mix, and scope of services of the facility; and prior contracted rates over the preceding 4 plan years. The prevailing party’s IDR entity fee is refunded, and final payment is due within 30 calendar days.

Where the No Surprises Act Matters for Clinical Research, Self-Pay Patients, and Hospital Operations

• Uninsured / Self-Pay Good Faith Estimates (GFE) and PPDR (45 CFR §§ 149.610–149.620): Whenever an uninsured individual—or an insured individual who elects not to submit a claim to their health plan—schedules an item or service at least 3 business days in advance (or requests an estimate), the convening provider or facility must deliver a written Good Faith Estimate (GFE) of expected charges, including co-providers’ expected charges. If the final billed amount to the self-pay patient exceeds the GFE by $400 or more, the patient may initiate the federal Patient-Provider Dispute Resolution (PPDR) process within 120 calendar days of the initial bill.
• Clinical Trial Billing and Out-of-Network Routine Care: In clinical trial operations managed through clinical trial charge capture and billing reconciliation, commercial health plans cover routine patient costs for qualifying clinical trials under Public Health Service Act § 2709 (42 U.S.C. § 300gg-8), while Medicare covers routine costs under clinical trial ABN and NCD 310.1 rules. When a commercially insured clinical trial participant receives routine ancillary services (such as pathology, radiology, or emergency care for an adverse event) at an in-network academic medical center from an out-of-network physician group, the No Surprises Act protects the participant from out-of-network balance billing, and study coordinators must ensure self-pay screening procedures not paid by the sponsor comply with GFE disclosure timelines.
• Integration With Hospital Patient Safety and Stabilization Workflows: Because post-stabilization notice and consent under 45 CFR § 149.410 cannot be presented until the attending emergency physician determines the patient is stable for non-medical transport—and must never interfere with EMTALA stabilization or the hospital patient safety plan—financial counseling workflows must remain strictly separated from acute emergency triage.

Common Misunderstandings

• Confusing Medicare Form CMS-R-131 (ABN) with NSA Form CMS-10780: Form CMS-R-131 (Advance Beneficiary Notice) applies only to Original Medicare Fee-for-Service medical-necessity denials; Form CMS-10780 (Standard Written Notice and Consent) applies to commercial out-of-network balance-billing waivers under the No Surprises Act. Neither form can substitute for the other.
• Counting calendar days instead of business days in IDR: While the initial insurer payment window (30 days) and post-award payment window (30 days) use calendar days, the open negotiation initiation window (30 days), open negotiation period (30 days), and IDR initiation window (4 business days) are strictly measured in business days (Monday through Friday, excluding federal holidays). Missing the 4-business-day IDR filing window forfeits arbitration rights for that claim.
• Assuming ground ambulances are covered by the federal NSA: Congress excluded ground ambulance services from the federal No Surprises Act (establishing an advisory committee instead); ground ambulance balance-billing rules depend on state law.

Frequently Asked Questions

What is no surprises act?

The No Surprises Act (NSA), enacted in the Consolidated Appropriations Act, 2021 (45 CFR Part 149), is a federal law effective January 1, 2022 that bars out-of-network balance billing for emergency care, air ambulances, and non-emergency services by out-of-network clinicians at in-network facilities, while requiring Good Faith Estimates for uninsured or self-pay patients.

How is no surprises act used in clinical research and healthcare?

Healthcare facilities and clinical research billing teams use the No Surprises Act rules to cap patient cost-sharing at in-network levels based on the Qualifying Payment Amount (QPA), issue Good Faith Estimates (GFEs) for self-pay services, enforce the prohibition on balance-billing waivers for ancillary specialties, and arbitrate out-of-network commercial payer disputes through the 30-business-day open negotiation and federal Independent Dispute Resolution (IDR) process.

Which specialty services are strictly barred from using the No Surprises Act Notice and Consent waiver?

Under 45 CFR § 149.420(b), out-of-network clinicians at in-network facilities can never ask a patient to sign a Notice and Consent waiver for ancillary services: anesthesiology, pathology, radiology, neonatology, assistant surgeons, hospitalists, intensivists, diagnostic services, or urgent unforeseen services arising during a procedure.

Sources

• Centers for Medicare & Medicaid Services (CMS). No Surprises Act Overview, Federal Independent Dispute Resolution (IDR), and Good Faith Estimate Guidance. https://www.cms.gov/nosurprises
• Electronic Code of Federal Regulations (eCFR). 45 CFR Part 149 — Surprise Billing and Transparency Requirements. https://www.law.cornell.edu/cfr/text/45/part-149
• United States Congress. Consolidated Appropriations Act, 2021 (Pub. L. 116-260), Division BB, Title I — No Surprises Act. https://www.congress.gov/116/plaws/publ260/PLAW-116publ260.pdf