Key Takeaway
Court ruling in Laga v GEICO shows insurers must provide precise proof when applying Ground Rule 11 reductions to no-fault medical bills under New York's fee schedule.
This article is part of our ongoing fee schedule coverage, with 118 published articles analyzing fee schedule issues across New York State. Attorney Jason Tenenbaum brings 24+ years of hands-on experience to this analysis, drawing from his work on more than 1,000 appeals, over 100,000 no-fault cases, and recovery of over $100 million for clients throughout Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, and the Bronx. For personalized legal advice about how these principles apply to your specific situation, contact our Long Island office at (516) 750-0595 for a free consultation.
GEICO’s Fee Schedule Defense Falls Short in Appeals Court
New York’s no-fault insurance system relies on detailed fee schedules to determine appropriate reimbursement rates for medical providers. When insurers attempt to reduce payments using Ground Rule 11 calculations, they must present precise documentation to justify their reductions. A recent Appellate Term decision demonstrates just how exacting courts can be when reviewing these fee schedule disputes.
In cases involving New York No-Fault Insurance Law, insurance companies frequently invoke Ground Rule 11 to reduce medical bill reimbursements. However, as this case illustrates, general claims without proper supporting documentation rarely survive judicial scrutiny.
Understanding Ground Rule 11 and Conversion Factors in Fee Schedule Calculations
Ground Rule 11 of New York’s workers’ compensation fee schedule establishes procedures for calculating reimbursement when multiple surgical procedures are performed during the same operative session. The rule recognizes that when several procedures are performed together, efficiencies arise that justify reduced reimbursement for secondary procedures compared to what would be paid if each were performed separately. This prevents overpayment while still compensating providers fairly for the additional work involved in multiple procedures.
Application of Ground Rule 11 requires technical precision. Insurers must identify which procedure qualifies as the primary procedure (typically the most complex or time-intensive), then apply specified percentage reductions to secondary procedures. These calculations involve conversion factors that translate relative value units into dollar amounts, with different conversion factors applying depending on the year of service and the type of procedure. Getting these calculations wrong—using an incorrect conversion factor, misidentifying the primary procedure, or applying improper percentage reductions—can result in underpayment that courts will not uphold.
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The complexity of Ground Rule 11 calculations creates significant evidentiary burdens for insurers seeking to sustain payment reductions at summary judgment. General allegations that Ground Rule 11 applies are insufficient; insurers must provide detailed mathematical demonstrations showing exactly how they calculated the reduced payment, which conversion factors they used, why those factors were appropriate, and how they determined the proper sequencing of procedures. Without this specificity, courts cannot verify that the insurer’s calculations comply with fee schedule requirements.
Jason Tenenbaum’s Analysis:
Laga v GEICO Ins. Co., 2017 NY Slip Op 51713(U)(App. Term 2d Dept. 2017)
“Defendant failed to demonstrate that it had used the correct conversion factor in calculating the reimbursement rate, or that it had appropriately applied Ground Rule 11. Consequently, the branches of defendant’s cross motion seeking summary judgment dismissing those causes of action should have been denied. ”
From what I am observing, this Court appears to be very exacting on the proof necessary to establish GR 11 reductions. Outside the affidavit of a certified fee coder, I have not seen anyone have much success with these cases on motion with claims affidavits.
Legal Significance: Evidentiary Standards for Fee Schedule Defenses
The Laga decision establishes rigorous evidentiary standards for insurers asserting Ground Rule 11 defenses. GEICO’s failure stemmed not from the inapplicability of Ground Rule 11 to the procedures at issue, but from its inability to prove proper application through admissible evidence. This distinction is critical: an insurer may be substantively correct that Ground Rule 11 reductions apply, yet still lose at summary judgment by failing to prove its calculations with sufficient precision and documentation.
The court’s reference to certified fee coder affidavits reflects an important practical reality in fee schedule litigation. Claims representatives and litigation specialists, no matter how knowledgeable about fee schedules in general, often lack the technical expertise and professional credentials to establish proper fee schedule calculations as a matter of law. Certified professional coders, by contrast, possess specialized training in CPT coding, fee schedule application, and reimbursement methodology that courts recognize as qualifying them to offer expert opinions on these technical issues.
This evidentiary gap creates strategic challenges for insurers. Retaining certified coders for every fee schedule dispute is expensive and time-consuming, yet attempting to establish Ground Rule 11 reductions through claims representative affidavits frequently fails. The result is that many technically valid fee schedule defenses cannot be established at summary judgment, forcing insurers either to pay disputed claims or to proceed to trial on issues that should be resolvable on the papers.
Practical Implications: Building Admissible Fee Schedule Defenses
For insurance defense counsel, Laga provides clear guidance on what proof is necessary to sustain Ground Rule 11 defenses. Claims representative affidavits setting forth conclusions about proper reimbursement rates are insufficient. Instead, counsel should obtain affidavits from certified professional coders who can:
- Identify the specific procedures performed and their corresponding CPT codes
- Explain which procedure qualified as the primary procedure and why
- Specify the conversion factor applicable to the date of service
- Detail the mathematical calculation applying Ground Rule 11 percentage reductions
- Demonstrate compliance with all fee schedule provisions governing the calculation
This documentation should be assembled early in the claims process, not reconstructed during litigation. When coding and reimbursement calculations are performed contemporaneously with claim processing, they are more credible and defensible than after-the-fact litigation positions.
For plaintiffs’ counsel representing healthcare providers, Laga demonstrates the importance of challenging fee schedule defenses with specificity. Rather than simply asserting that the insurer’s payment was too low, providers should demand detailed explanations of how reductions were calculated and scrutinize those calculations for technical errors. When insurers cannot provide the precise documentation that Laga requires, summary judgment for providers may be appropriate even when some payment reduction was arguably justified.
Key Takeaway
Insurance companies must provide detailed, technically accurate documentation when applying Ground Rule 11 reductions to medical bills. Courts require more than general claims affidavits - typically demanding certified fee coder affidavits to establish proper calculation methods and conversion factors in fee schedule disputes.
Legal Update (February 2026): Since this 2017 post, New York’s no-fault fee schedules and Ground Rule 11 calculation requirements may have been subject to regulatory amendments or updated Department of Financial Services guidance. Practitioners should verify current fee schedule provisions, conversion factors, and documentation standards, as reimbursement methodologies and evidentiary requirements for Ground Rule 11 reductions may have evolved.
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Legal Context
Why This Matters for Your Case
New York law is among the most complex and nuanced in the country, with distinct procedural rules, substantive doctrines, and court systems that differ significantly from other jurisdictions. The Civil Practice Law and Rules (CPLR) governs every stage of civil litigation, from service of process through trial and appeal. The Appellate Division, Appellate Term, and Court of Appeals create a rich and ever-evolving body of case law that practitioners must follow.
Attorney Jason Tenenbaum has practiced across these areas for over 24 years, writing more than 1,000 appellate briefs and publishing over 2,353 legal articles that attorneys and clients rely on for guidance. The analysis in this article reflects real courtroom experience — from motion practice in Civil Court and Supreme Court to oral arguments before the Appellate Division — and a deep understanding of how New York courts actually apply the law in practice.
About This Topic
Fee Schedule Issues in No-Fault Insurance
The New York no-fault fee schedule establishes the maximum reimbursement rates for medical treatment provided to injured motorists. Disputes over fee schedule calculations, coding, usual and customary charges, and the applicability of workers compensation fee schedules to no-fault claims are common. These articles analyze fee schedule regulations, court decisions on reimbursement disputes, and the practical challenges providers face in obtaining appropriate payment under the no-fault system.
118 published articles in Fee Schedule
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Disclaimer: This article is published by the Law Office of Jason Tenenbaum, P.C. for informational and educational purposes only. It does not constitute legal advice, and no attorney-client relationship is formed by reading this content. The legal principles discussed may not apply to your specific situation, and the law may have changed since this article was last updated.
New York law varies by jurisdiction — court decisions in one Appellate Division department may not be followed in another, and local court rules in Nassau County Supreme Court differ from those in Suffolk County Supreme Court, Kings County Civil Court, or Queens County Supreme Court. The Appellate Division, Second Department (which covers Long Island, Brooklyn, Queens, and Staten Island) and the Appellate Term (which hears appeals from lower courts) each have distinct procedural requirements and precedents that affect litigation strategy.
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