Bankstown-Lidcombe Hospital said the 27-year-old, who had been working at the hospital for eight months, was not registered by the Australian Health Practitioner Regulation Agency which gives medical staff their accreditation.

The woman “was immediately removed” from her job at the hospital in Sydney and could now face criminal charges.

New South Wales police force were called to investigate.

“Bankstown-Lidcombe Hospital discovered on Monday an employee was not registered with the Australian Health Practitioner Regulation Agency,” a hospital spokeswoman said.

“This person was immediately removed from their duties and Bankstown-Lidcombe Hospital referred the matter to NSW Police for investigation.

“This person worked at the hospital from January to August 2021 and was fully supervised throughout that time.

“The hospital is also conducting an internal investigation, and has reported the matter to AHPRA.”