There are 2 steps you should take to deactivate your personal health record:
1)Download a copy of the information stored in your PHR. (create a PDF)
2)Deactivate the personal health record feature.
Deactivating your personal health record will result in:
1) Losing access to any information you have stored there.
2) Unlinking your PHR from Alberta Netcare.
See "Saving your health information".