Key Takeaway
New York court ruling: Plaintiff failed to prove causation in motor vehicle accident case without expert medical testimony establishing causal connection.
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Donoso v Motor Veh. Acc. Indem. Corp., 2014 NY Slip Op 04071 (1st Dept 2014)
Plaintiff claims that she suffered permanent consequential and significant limitations of use of her lumbar spine as a result of an accident involving a motor vehicle (see Insurance Law § 5102). At trial, she testified that she was knocked over by a car and thereafter suffered back pain and injuries for which she received physical therapy and epidural injections, and that she underwent surgery four years later. Ambulance and emergency room records admitted into evidence show that the then 65-year-old plaintiff complained of back pain following the accident, and medical records of the treatment about which plaintiff testified show, inter alia, that the surgical procedure was a laminectomy to address spinal stenosis. Plaintiff did not call any treating physician or medical expert to testify.
Defendant moved for a directed verdict at the close of plaintiff’s evidence, arguing that plaintiff could not prove causation without a doctor’s testimony (see CPLR 4401). Contrary to plaintiff’s contention, since defendant’s argument constituted a challenge to the sufficiency of the evidence, and indeed plaintiff opposed defendant’s motion on the ground that her medical records were sufficient, the issue whether plaintiff established prima facie that she suffered a serious injury causally related to the motor vehicle accident is preserved for review (see Geraci v Probst, 15 NY3d 336, 342 ).
Plaintiff presented no evidence of a causal connection between the motor vehicle accident and her lumbar condition. The medical records do not contain an opinion given by a physician that there was a causal connection between the accident and plaintiff’s disc herniation or the spinal stenosis for which she underwent surgery four years later. Indeed, the impression of one of plaintiff’s treating physicians, according to his medical records, was “egenerative disc disease of the lumbar spine.” However, if the records had contained an opinion, the trial court could not have considered them, because the opining physician was not available for cross-examination (see Rickert v Diaz, 112 AD3d 451 Daniels v Simon, 99 AD3d [*2]658, 660 ). Thus, defendant was correct that plaintiff could not prove causation without a doctor’s testimony, and its motion should have been granted because “there no rational process by which the fact trier could base a finding in favor of ” (see Szczerbiak v Pilat, 90 NY2d 553, 556 see e.g. Ciocca v Park, 21 AD3d 671 , affd 5 NY3d 835 ).”
Reports and treatments notes are insufficient to prove causation and presumably medical necessity. Alternatively, if the records contain an opinion, they are inadmissible as they are not subject to cross-examination. A bit of a tongue twister?
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- New York No-Fault Insurance Law
Legal Update (February 2026): Since this 2014 decision, New York courts have continued to refine the standards for proving medical causation in no-fault cases, and Insurance Law § 5102’s serious injury threshold requirements may have been subject to regulatory clarification or procedural modifications. Additionally, CPLR 4401 directed verdict standards and evidentiary requirements for medical testimony have evolved through subsequent appellate decisions. Practitioners should verify current precedent and any regulatory updates affecting expert testimony requirements in personal injury causation cases.
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
Evidentiary Issues in New York Litigation
The rules of evidence determine what information a court or arbitrator may consider in deciding a case. In New York no-fault and personal injury practice, evidentiary issues arise constantly — from the admissibility of business records and medical reports to the foundation requirements for expert testimony and the application of hearsay exceptions. These articles examine how New York courts apply evidentiary rules in insurance and injury litigation, with practical guidance for building admissible evidence at every stage of a case.
162 published articles in Evidence
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Frequently Asked Questions
What types of evidence are important in no-fault and personal injury cases?
Key types of evidence include medical records and bills, police accident reports, diagnostic imaging (MRI, X-ray, CT scans), expert medical opinions, business records from insurance companies and providers, witness statements, photographs of injuries and the accident scene, and employment records for lost wage claims. The rules of evidence under New York CPLR and the Evidence Rules govern what is admissible in court proceedings.
What is the business records exception to hearsay in New York?
Under CPLR 4518(a), a business record is admissible if it was made in the regular course of business, it was the regular course of business to make such a record, and the record was made at or near the time of the event recorded. This exception is crucial in no-fault litigation because insurers' denial letters, claim logs, and peer review reports are often offered as business records. The foundation for the business record must be established through testimony or a certification.
What role does diagnostic imaging play as evidence in injury cases?
Diagnostic imaging — MRIs, CT scans, X-rays, and EMG/NCV studies — provides objective evidence of injuries such as herniated discs, fractures, ligament tears, and nerve damage. Courts and arbitrators give significant weight to imaging evidence because it is less subjective than physical examination findings. In serious injury threshold cases under §5102(d), imaging evidence corroborating clinical findings strengthens the plaintiff's case considerably.
How do New York courts handle surveillance evidence in personal injury cases?
Insurance companies frequently hire investigators to conduct video surveillance of plaintiffs to challenge injury claims. Under CPLR 3101(i), a party must disclose surveillance materials prior to trial, including films, photographs, and videotapes. Surveillance evidence can be powerful for impeachment if it contradicts the plaintiff's testimony about limitations. However, courts may preclude surveillance that was not properly disclosed or that is misleadingly edited.
How are expert witnesses used in New York personal injury cases?
Expert witnesses provide specialized opinion testimony that helps the court or jury understand complex issues like medical causation, injury severity, future care needs, economic losses, and engineering defects. Under New York law, expert testimony must be based on facts in evidence, the expert's professional knowledge, or a combination of both. The expert must be qualified by training, education, or experience in the relevant field. Expert disclosure requirements under CPLR 3101(d)(1)(i) require parties to identify their experts and provide detailed summaries before trial.
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About the Author
Jason Tenenbaum, Esq.
Jason Tenenbaum is the founding attorney of the Law Office of Jason Tenenbaum, P.C., headquartered at 326 Walt Whitman Road, Suite C, Huntington Station, New York 11746. With over 24 years of experience since founding the firm in 2002, Jason has written more than 1,000 appeals, handled over 100,000 no-fault insurance cases, and recovered over $100 million for clients across Long Island, Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, the Bronx, and Staten Island. He is one of the few attorneys in the state who both writes his own appellate briefs and tries his own cases.
Jason is admitted to practice in New York, New Jersey, Florida, Texas, Georgia, and Michigan state courts, as well as multiple federal courts. His 2,353+ published legal articles analyzing New York case law, procedural developments, and litigation strategy make him one of the most prolific legal commentators in the state. He earned his Juris Doctor from Syracuse University College of Law.
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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