Fischer v. MercyOne — Iowa appeals court revives malpractice suit over fatal contrast-dye reaction

Case
Ian Fischer, Personal Representative for the Estate of Pamela Sue Daggett v. Catholic Health Initiatives-Iowa, Corp., d/b/a MercyOne Des Moines Medical Center, Urology Center of Iowa, PLLC, Diagnostic Imaging Associates, P.C. and Brian Gallagher, M.D.
Court
Iowa Court of Appeals
Judge
Tabor, C.J.; Chicchelly, J.; Sandy, J.
Date Decided
August 19, 2026
Docket No.
25-1081
Topics
Medical malpractice; Certificate of merit; Expert evidence; Vicarious liability
Source
Read the full opinion

Background

Pamela Daggett had previously suffered a severe reaction to contrast dye during a January 2020 angiogram. Her medical records identified the dye allergy and advised avoiding further contrast exposure unless necessary and preceded by prophylaxis. In May 2020, Daggett received contrast dye during a CT scan at MercyOne after premedication. She immediately experienced breathing difficulty, was intubated, suffered cardiac arrest, and died two days later.

Her estate sued medical providers and entities for malpractice. After claims against the urologist were dismissed and the radiologist was voluntarily dismissed, the remaining claims alleged MercyOne’s vicarious liability for its CT technician and nurses and Diagnostic Imaging’s vicarious liability for the radiologist. The district court dismissed those claims with prejudice, finding the estate’s certificate of merit deficient.

The Court’s Holding

The Iowa Court of Appeals held that Iowa’s certificate-of-merit statute applied to the estate’s vicarious-liability claims against MercyOne and Diagnostic Imaging because the claims alleged negligence by professional staff in providing patient care. The court did not reach the estate’s alternative argument that expert testimony was unnecessary to prove breach because that issue was not preserved.

But the court held that the estate’s radiologist expert substantially complied with the certificate-of-merit statute. The statute requires an expert to certify familiarity with the applicable standard of care and that the named health care providers breached it; it does not require an individualized explanation of each breach or a recitation of the expert’s qualifications within the certificate itself. The district court therefore erred in dismissing the action, and the appeals court reversed and remanded.

Key Takeaways

  • A certificate of merit may support vicarious-liability claims against corporate health care providers when the alleged negligence concerns professional patient care.
  • The certificate need not detail each alleged breach; it need only provide the statutory certifications and be served separately on each defendant.
  • Expert qualifications under Iowa Code section 147.139 need not be set out within the certificate of merit itself.

Why It Matters

The decision reinforces that Iowa’s certificate-of-merit requirement is a threshold showing of a colorable malpractice claim, not a substitute for expert-disclosure requirements or later proof of expert qualifications. Courts may not add specificity and qualification-recital requirements absent from the statute’s text.

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