The record

Where automated decisions went wrong

Incidents gathered from public reporting around the world. Each one links to the articles it came from. None of it is a finding that anyone broke the law.

Reports people file about their own experience are not shown here and never will be without their agreement. Tell us what happened to you.

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28 incidents closest to “Perioperative Care Coordination” · matched on meaning · public reporting

WF-KA8YYL1 Sep 2024

AI transcription tool Otter.ai causes health data breach at Ontario hospital

A former physician at an Ontario hospital installed the Otter.ai transcription tool and gave it access to his digital calendar. Because his personal email was still on a meeting invite list, the AI agent autonomously joined a virtual hepatology round, transcribed it, and emailed the summary and transcript to 65 recipients. The transcript contained sensitive personal health information of seven patients. The hospital reported the breach to the Ontario IPC, took steps to contain it, and is implementing further safeguards.

Company involved
Unnamed hospital in Ontario
AI system involved
Otter.ai

6 source articles · read the reporting →

WF-4U7TGM1 Sep 2021

Cigna uses algorithm to deny medical claims without doctor review

Cigna, one of the largest health insurers, used an algorithm called PXDX to automatically deny medical claims. The system flagged mismatches between diagnoses and procedures, and company doctors signed off on denials in batches without reviewing patient files. One patient, Nick van Terheyden, was denied coverage for a $350 vitamin D test that his doctor had ordered. Former employees said the system saved Cigna billions of dollars but left patients with unexpected bills.

Company involved
Cigna
AI system involved
PXDX

10 source articles · read the reporting →

WF-9UQE2Q1 Jan 2019

Clinical algorithm showed racial bias in health care recommendations

In 2019, a study revealed that a clinical algorithm used by many hospitals to identify patients needing extra care was racially biased. Black patients had to be significantly sicker than white patients to be recommended for the same care, due to the algorithm being trained on historical health care spending data that reflected racial disparities. The bias was eventually detected and corrected, but the incident raised concerns about the potential for AI to worsen medical racism.

5 source articles · read the reporting →

WF-7HYWB51 Jan 2022

Acclarent's AI-Powered Surgery Tool Allegedly Injures Patients, Lawsuits Claim

Two patients allege that Acclarent's TruDi Navigation System, which uses AI to confirm device positioning during sinus surgery, misled surgeons and caused severe injuries including strokes. The FDA has received over 100 reports of malfunctions and at least ten injuries since AI was added. Lawsuits claim the company rushed the technology to market with only 80% accuracy, making the device less safe than before. Acclarent denies any causal connection, and the cases are ongoing.

Company involved
Acclarent
AI system involved
TruDi Navigation System

2 source articles · read the reporting →

WF-4DGQE71 Jan 2022

Acclarent's AI-Powered Surgery Tool Allegedly Injures Patients, Lawsuits Claim

The TruDi Navigation System by Acclarent, which uses AI to confirm device positions during sinus surgery, has been linked to at least ten patient injuries including strokes, according to FDA reports and two lawsuits. Plaintiffs Erin Ralph and Donna Fernihough allege that the AI was inaccurate and misled surgeons, causing carotid artery damage and strokes in 2022. Acclarent denies the allegations, stating there is no credible evidence of a causal connection. The lawsuits are ongoing.

Company involved
Acclarent
AI system involved
TruDi Navigation System

2 source articles · read the reporting →

WF-ZZHCAE1 Jun 2017

IBM Watson for Oncology recommended unsafe cancer treatments

Internal IBM documents reveal that its Watson for Oncology system often provided erroneous cancer treatment advice, including 'multiple examples of unsafe and incorrect treatment recommendations'. The problems were attributed to training on a small number of synthetic cases and the expertise of a few specialists rather than real patient data or established guidelines. The system was promoted to hospitals and physicians worldwide. It is unclear whether any patients were harmed as a result.

Company involved
IBM
AI system involved
Watson for Oncology

2 source articles · read the reporting →

WF-P5TD2E1 Nov 2023

CMS warns insurers against using AI to deny Medicare Advantage care

The Centers for Medicare & Medicaid Services (CMS) clarified that health insurers cannot use algorithms or AI to deny care to Medicare Advantage members. This follows lawsuits alleging UnitedHealth and Humana used an AI tool, nH Predict, to wrongfully deny post-acute care to elderly patients. The tool reportedly produced rigid estimates ignoring individual patient needs, leading to premature denials. CMS warned that non-compliance could result in penalties and increased audits.

Company involved
UnitedHealth, Humana
AI system involved
nH Predict

10 source articles · read the reporting →

WF-PZRPZR1 Jan 2017

Royal Free London publishes audit into Streams app data processing

The Royal Free London NHS Foundation Trust published an audit into its use of the Streams app, following an investigation by the Information Commissioner's Office (ICO) in July 2017. The Streams app alerts clinicians to patients at risk of acute kidney injury. The audit, conducted by Linklaters, concluded that the trust's use of Streams was lawful and complied with data protection laws, although areas for improvement were identified. The ICO later recognised that the trust had completed all required actions.

Company involved
Royal Free London NHS Foundation Trust
AI system involved
Streams

10 source articles · read the reporting →

Epic sepsis prediction algorithm misses two-thirds of cases, study finds

A study of nearly 30,000 patients at University of Michigan hospitals found that Epic Systems' sepsis prediction algorithm missed two-thirds of sepsis cases and frequently issued false alarms. The algorithm, used by over 100 US health systems, is designed to alert staff to potential sepsis, but the study suggests it provides little value and may contribute to alert fatigue. Epic disputed the study's conclusions, claiming its system has helped save lives.

Company involved
Epic Systems
AI system involved
Epic sepsis prediction model

6 source articles · read the reporting →

Hospitals use Epic AI to predict Covid-19 decline without validation

Dozens of hospitals across the US are using Epic's deterioration index AI system to predict which Covid-19 patients will become critically ill, despite the tool not being validated for the new disease. The rapid deployment during the pandemic bypassed normal testing and validation processes.

AI system involved
Deterioration index

9 source articles · read the reporting →

WF-OD83P526 May 2021

Google and HCA Healthcare partner to analyze 32 million patient records

Google Cloud has announced a partnership with HCA Healthcare to analyze around 32 million patient records. The anonymized data will be used to develop algorithms that could advise doctors on treatment options. Privacy advocates have raised concerns about the data sharing and the potential for AI to re-identify patients. HCA insists that patient-identifiable information will be stripped and that access will be tightly controlled.

Company involved
HCA Healthcare
AI system involved
Google Cloud

9 source articles · read the reporting →

UnitedHealthcare sued for using AI to deny Medicare Advantage patients care

A class action complaint alleges that UnitedHealthcare and its subsidiary naviHealth deployed an artificial intelligence model to override treating physicians' determinations of medically necessary care for elderly Medicare Advantage patients. The complaint claims the AI model has a known 90% error rate and wrongfully denied patients care. The lawsuit, filed in the U.S. District Court for the District of Minnesota, seeks damages on behalf of the estates of two deceased patients and all others similarly situated.

Company involved
UnitedHealthcare, Inc.

10 source articles · read the reporting →

WF-R2SNAZ1 Jan 2013

UnitedHealth used ALERT algorithm to limit mental health coverage, regulators found

ProPublica reports that UnitedHealth Group's Optum subsidiary used the ALERT algorithm to flag mental health patients and therapists as outliers, leading to therapy coverage denials. Regulators in California, Massachusetts and New York alleged this breached the federal Mental Health Parity and Addiction Equity Act, and UnitedHealth agreed to restrict the system in those jurisdictions. The company denies wrongdoing and says its programmes are compliant. Affected patients, including Medicaid enrollees, were left to pay out-of-pocket or go without care.

Company involved
UnitedHealth Group
AI system involved
ALERT

5 source articles · read the reporting →

WF-SKRYGZ1 Jan 2018

NHS liver transplant algorithm causes longer waits for younger patients

An NHS computer algorithm that prioritises liver transplant patients most likely to die soon has led to younger patients waiting 156 days longer on average than those over 60. The algorithm, launched in 2018, gives a score based on 21 recipient and seven donor parameters. Patients like Sarah Meredith, 31, have been waiting two years for a transplant. NHS Blood and Transplant defends the system as saving lives but acknowledges the stress on younger patients.

Company involved
NHS Blood and Transplant

10 source articles · read the reporting →

Perth hospital group bans ChatGPT after doctor used it for a patient discharge summary

South Metropolitan Health Service, which runs five hospitals in Perth, ordered staff to stop using ChatGPT for work involving patient information after an email said some staff had used the AI chatbot to write medical notes. The service later clarified that only one doctor had used the tool to generate a patient discharge summary and that no confidential patient information had been breached. The Australian Medical Association has called for national regulations to ensure a human is involved in AI-assisted health decisions.

Company involved
South Metropolitan Health Service
AI system involved
ChatGPT

6 source articles · read the reporting →

WF-3333OU22 Sep 2021

EviCore denied heart catheterization for patient using algorithm

In fall 2021, Little John Cupp's doctor requested a left heart catheterization exam. EviCore, a company hired by UnitedHealthcare, denied the request twice using an algorithm called 'the dial' that adjusts thresholds for review. The algorithm flagged the request for review, and EviCore's doctors determined it was not medically necessary. Cupp did not receive the procedure and his symptoms continued.

Company involved
EviCore (a Cigna company)
AI system involved
the dial

6 source articles · read the reporting →

WF-BMI81A1 Jan 2020

UNOS liver allocation policy reduces transplants in poorer states

The United Network for Organ Sharing (UNOS) implemented a new liver allocation policy in 2020 called the acuity circles system, which prioritizes the sickest patients regardless of location. An analysis by The Markup and The Washington Post found that the policy led to sharp declines in liver transplants in several Southern and Midwestern states and Puerto Rico, while increasing transplants in New York and California. Patients in affected states allege the system disadvantages poorer regions, and hospitals have sued to overturn the policy.

Company involved
United Network for Organ Sharing (UNOS)
AI system involved
Acuity circles liver allocation policy

10 source articles · read the reporting →

WF-1UJHJB1 Jan 2019

Tennessee's TennCare Connect algorithm illegally denied thousands Medicaid benefits

A U.S. District Court judge ruled that Tennessee's TennCare Connect system, built by Deloitte for over $400 million, illegally denied thousands of low-income residents and people with disabilities Medicaid and disability benefits due to programming and data errors. The system automatically terminated coverage without properly considering eligibility for all available programs. A class action lawsuit filed in 2020 resulted in the ruling.

Company involved
TennCare (Tennessee Medicaid)
AI system involved
TennCare Connect

10 source articles · read the reporting →

WF-4DB49L1 Jan 2026

ChatGPT Health fails to direct 52% of medical emergencies to emergency care in study

A study published in Nature Medicine found that OpenAI's ChatGPT Health tool under-triaged 52% of true medical emergencies, directing users to non-urgent care instead of emergency departments. The AI also misclassified 35% of non-urgent cases. Researchers at Mount Sinai conducted 960 tests across 60 clinical scenarios, noting the tool's susceptibility to anchoring bias when symptoms were minimized. The study highlights potential safety concerns as millions use AI for health guidance.

Company involved
OpenAI
AI system involved
ChatGPT Health

4 source articles · read the reporting →

WF-53EQUB1 Jun 2019

Security Health Plan used AI to cut off nursing home care for 85-year-old woman

Frances Walter, an 85-year-old woman with a shattered shoulder, had her nursing home care payment cut off by Security Health Plan after an algorithm predicted she would recover in 16.6 days. The algorithm, nH Predict from NaviHealth, did not account for her severe pain and allergy to pain medicine. She was forced to spend her life savings and enroll in Medicaid while fighting the denial. A federal judge later ruled the denial was speculative and she was owed thousands of dollars.

Company involved
Security Health Plan
AI system involved
nH Predict

1 source article · read the reporting →

Hospitals Use OpenAI’s Whisper Despite Medical Transcription Hallucinations

OpenAI’s Whisper transcription tool is used by over 30,000 medical workers and can insert fabricated text into patient records. Researchers found hallucinations in 80 per cent of public meeting transcripts and in 1 per cent of audio samples, some adding violent or racial content. Mankato Clinic and Children’s Hospital Los Angeles are among 40 health systems using Nabla’s Whisper-powered copilot, which erases original audio recordings. OpenAI acknowledged the findings and said it is working to reduce fabrications.

Company involved
Mankato Clinic; Children’s Hospital Los Angeles
AI system involved
Whisper

2 source articles · read the reporting →

WF-AYLKD31 Dec 2020

NHS faces legal action over Palantir data contract extension

The NHS is being taken to court by campaign group Open Democracy over its contract with data firm Palantir. The legal action alleges that the extension of Palantir's involvement in analysing NHS patient data for pandemic response and beyond lacked a proper Data Protection Impact Assessment. The contract, initially an emergency response, was extended for two years at a cost of £23.5m. The case is pending.

Company involved
NHS
AI system involved
Palantir data analysis platform

10 source articles · read the reporting →

Hyderabad doctors warn after ChatGPT advice causes patient harm

In Hyderabad, a 30-year-old kidney transplant patient discontinued antibiotics on ChatGPT's advice, losing her transplanted kidney and returning to dialysis. A 62-year-old diabetic man suffered weight loss and low sodium after following a ChatGPT diet plan. Doctors warn that AI tools lack clinical judgment and should not replace professional medical consultation.

AI system involved
ChatGPT

5 source articles · read the reporting →

Robotic Surgery Systems Linked to 144 Deaths in US Study

A study by researchers from MIT, the University of Illinois, and Rush University Medical Center found that robotic surgical systems were associated with 144 deaths and 1,391 injuries in the United States between 2000 and 2013. The complications included broken instrument pieces falling into patients, electrical burns, and system malfunctions. The researchers suggest that improved design, training, and reporting could reduce such incidents. Robotic surgery is used extensively in gynecology and urology, with over 1.7 million procedures performed from 2007 to 2013.

10 source articles · read the reporting →

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