In the 2018 Clinical Practice Guidelines, Diabetes Canada proposes a simplified decision-making algorithm for screening and diagnosing type 2 diabetes. It can be observed that there is reduced emphasis on the oral glucose tolerance test (OGTT). Additionally, a screening frequency interval (6 to 12 months) has been added for individuals with other risk factors for diabetes* or those who have a very high risk.

* In addition to being aged 40 years and older or being at high risk for diabetes