Key Takeaway
New York court ruling: Plaintiff failed to prove causation in motor vehicle accident case without expert medical testimony establishing causal connection.
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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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.
