VIChospital

Finding into death of Jason Hosier

Deceased

JASON HOSIER

Demographics

39y, male

Coroner

Coroner Audrey Jamieson

Date of death

2022-03-02

Finding date

2025-11-10

Cause of death

mixed drug toxicity (methadone, benzodiazepines, olanzapine, zopiclone)

AI-generated summary

Jason Hosier, a 39-year-old man with complex mental health and substance use history, died from mixed drug toxicity following discharge from Sunshine Hospital. He was subject to an inpatient temporary treatment order and apprehension order under the Mental Health Act, but the discharging emergency physician was unaware of this critical information because it was not accessible through ED systems. Had the treating doctor known of his compulsory detention order, discharge would not have occurred and death would likely have been prevented. The case highlights a critical system failure: mental health legal status information stored in the Client Management Interface/Operational Data Store is inaccessible to ED clinicians due to legislative and technical barriers. The coroner made no adverse findings against the treating clinician but identified the need for urgent implementation of recommendations from Victoria's Royal Commission into Mental Health to enable proper information sharing across health services.

AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes. Report an inaccuracy.

Specialties

emergency medicinepsychiatryparamedicine

Error types

communicationsystem

Drugs involved

methadoneclonazepamdiazepamolanzapinezopiclonenaloxone

Clinical conditions

opioid use disorderschizophreniadepressiongeneralised anxiety disorderdrug-induced psychosisacquired brain injurypolysubstance use

Contributing factors

lack of access to mental health legal status information in ED system
discharge despite active inpatient temporary treatment order
discharge despite active apprehension order
information siloed in Client Management Interface inaccessible to ED clinicians
legislative barrier preventing ED access to CMI
technical barriers preventing system interoperability
polysubstance use including prescribed medications
patient denied opioid use despite recent naloxone administration

Coroner's recommendations

The Victorian Government/Department of Health should implement Recommendations 62a and 62c of the Royal Commission into Victoria's Mental Health System as a matter of priority, which include developing a statewide electronic Mental Health and Wellbeing Record and a Mental Health Information and Data Exchange for interoperability
The Victorian Government/Department of Health should consider whether legislative amendment should be made to allow medical staff working in Victorian Emergency Departments to access the Client Management Interface/Operational Data Store
The Victorian Government/Department of Health and Ambulance Victoria should continue to explore ways in which Ambulance Victoria paramedics may be able to access Client Management Interface/Operational Data Store

Full text

Official source Archived copy

Related cases from VIC

VICcommunity2026-05-07

Finding into death of Elizabeth Susan Edwina Ferris

44y · Female·Hypoxic ischaemic encephalopathy complicating cardiac arrest in the setting of p…

Elizabeth Ferris, a 44-year-old woman with schizoaffective disorder and polysubstance use disorder, died from hypoxic ischaemic encephalopathy following cardiac arrest in the setting of presumed drug toxicity. She was fo…

psychiatryintensive carediagnosticcommunicationheroin

VICaged care2026-05-06

Finding into death of Cornelia Groot

87y · Female·Complications of head injuries and left proximal femur fracture sustained in a f…

An 87-year-old woman with Parkinson's disease sustained an unwitnessed fall at a residential aged care facility, resulting in head injuries and a hip fracture. Critical clinical lessons emerged: (1) neurological observat…

geriatric medicineemergency medicinediagnosticcommunicationoxycodone

VIC2026-04-22

Finding into death of Natasha Stojkoski

38y · Female·Multiple injuries sustained when struck by a train

Natasha Stojkoski, a 38-year-old sales assistant at The Good Guys, sustained a workplace injury in October 2018 involving a Work Assisted Vehicle incident affecting her back, shoulders and neck. Subsequently, she reporte…

psychiatryoccupational and environmental healthsystemcommunicationescitalopram

Source and disclaimer

This page reproduces or summarises information from publicly available findings published by Australian coroners' courts. Coronial is an independent educational resource and is not affiliated with, endorsed by, or acting on behalf of any coronial court or government body.

Content may be incomplete, reformatted, or summarised. Some material may have been redacted or restricted by court order or privacy requirements. Always refer to the original court publication for the authoritative record.

Copyright in original materials remains with the relevant government jurisdiction. AI-generated summaries and tagging are for educational purposes only, may contain inaccuracies, and must not be treated as legal documents. We welcome feedback for correction — report an inaccuracy here.