Port Pirie hospital is contacting 234 families after a laptop computer was stolen from the premises.
The laptop, used as part of the State-wide Infant Screening Hearing Program, had a security password login and cannot be used as a personal device.
But Regional Director Yorke and Northern Roger Kirchner said because hearing test data was stored on the laptop, the health service was advising families of the incident.
Read more on The Port Pirie Recorder.