A serious hospital identification error has left a Melbourne family traumatised after a woman was mistakenly declared dead while she was still alive, triggering an internal investigation into how the mix-up occurred.

The incident began after the woman was admitted to hospital for medical treatment. During the course of her care, hospital staff incorrectly identified another deceased patient as the woman, resulting in her family being informed that she had died.

Believing their loved one had passed away, relatives began making funeral arrangements and notifying family members. The devastating news caused significant emotional distress before the mistake was eventually discovered.

Hospital staff later confirmed that the woman was alive and had been incorrectly identified because of an administrative and patient identification error. The family was informed of the mistake, bringing relief but also raising serious concerns about hospital procedures and communication.

Health officials have apologised to the family and acknowledged the significant emotional impact caused by the incident. The hospital has launched a formal review to determine exactly how the error occurred and whether existing patient identification protocols were followed correctly.

The investigation will examine admission processes, patient record management, identification checks and communication between clinical teams to identify any failures in procedure.

Medical experts say accurate patient identification is one of the most important safety requirements in hospitals. Multiple verification steps are normally used before confirming a patient's identity, including wristbands, medical records, date of birth and other identifying information.

Health organisations note that patient identification errors, while rare, can have serious consequences. Incorrect identification can affect treatment decisions, medical records, family notifications and legal documentation.

Patient safety advocates say hospitals should continue strengthening identification systems through staff training, electronic verification technologies and mandatory cross-checking procedures.

The incident has also highlighted the importance of clear communication with families during medical emergencies. Health services are expected to provide timely, accurate information while ensuring identities are confirmed before sensitive notifications are made.

Victorian health authorities are expected to review the findings of the investigation and consider whether additional safeguards are required to reduce the risk of similar incidents occurring in the future.

The affected family has described the experience as deeply distressing, saying the emotional impact of believing a loved one had died, only to later discover she was alive, is difficult to comprehend.

The hospital has expressed regret for the incident and reaffirmed its commitment to patient safety, quality care and learning from the investigation's findings.

While the woman continues to receive medical care, the case has prompted broader discussion about hospital safety systems and the importance of robust patient identification procedures in Australia's healthcare system.

The outcome of the investigation is expected to help strengthen processes designed to protect patients and provide greater confidence for families relying on hospital care.