Guidance Regarding Methods for De-identification of Protected Health Information in Accordance with the Health Insurance Portability and Accountability Act (HIPAA) Privacy Rule
The Australian government published a de-identified open health data set in the past, which contained the patient data of a subset of the Australian population. – The de-identification process involved not just stripping direct identifiers, but also adding some inaccuracies to the data set. However, the data set was still at the person-level.
Researchers have been able to successfully re-identify some patients.