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SB 1598

SB 1598 - This act provides that a medical malpractice claim includes when a health care provider negligently uses, selects, or implements or unduly, detrimentally, or erroneously relies upon artificial intelligence, as defined in the act, in the diagnosis, treatment, and care of a patient and such negligence or reliance directly causes or contributes to the plaintiff's injury. In such cases, the action shall be brought within two years from the date of the discovery of such alleged negligence or reliance, or from the date on which the patient in the exercise of ordinary care should have discovered such alleged negligence or reliance, whichever date first occurs. KATIE O'BRIEN

2026 Regular Session Introduced by Doug Beck

Missouri bill clarifies medical malpractice liability standards when healthcare providers use AI in clinical decision-making and patient care.

Second Read and Referred S General Laws Committee
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Bill Summary · SB 1598

Legislative bill overview

SB 1598 modifies Missouri's medical malpractice legal framework to address liability when healthcare providers use artificial intelligence in clinical decision-making. The bill establishes new standards for how medical malpractice claims are evaluated when AI tools are involved in diagnosis, treatment, or patient care decisions. This represents one of the first state-level attempts to clarify legal responsibility in an emerging area of healthcare practice.

Why is this important

As AI diagnostic and clinical support tools become more common in hospitals and clinics, the existing medical malpractice system—designed for human-only decision-making—creates legal uncertainty for providers and patients. Without clear liability rules, healthcare systems may either over-adopt AI without appropriate oversight or under-adopt beneficial technologies due to legal risk. This bill attempts to establish a workable legal framework as AI integration accelerates nationwide.

Potential points of contention

  • Liability allocation: Whether providers should bear full responsibility for AI recommendations they follow, partial responsibility if they conducted reasonable oversight, or if liability should extend to AI developers and vendors
  • Standard of care definition: What constitutes "appropriate use" of AI tools and whether following AI recommendations automatically satisfies the duty of care standard
  • Transparency and disclosure: Whether providers must disclose AI use to patients and what happens if AI errors occur without patient knowledge of AI involvement

Compiled from official sources — confirm details with the bill’s official record.

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