 Each year in Canada, there are approximately 200,000 severe adverse drug events, claiming 10,000 to 22,000 lives, and costing 13.7 to 17.7 billion. Physicians cannot predict whether a patient will gain the desired benefit from a prescribed medication or whether they will experience harmful side effects. Genetic tests may reduce this potential harm for many medications; however there is currently no way of incorporating genetic information into routine prescribing processes. 