What is it about?

This article reviews glycemic time in range as the new standard for assessing patients with continuous glucose monitoring data. It will review some history on how the time in range measurement came to be and also go over a couple of case studies for review and application.

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Why is it important?

The A1C metric has been the gold standard for assessing glycemia for decades. This biologic assay, based on averaging, is fraught with limitations and may be giving way to more holistic approaches. Information from the International Consensus Group on Time in Range will be summarized.


This is a great guide to help those in Primary Care on how to better utilize and interpret CGM data that can lead to better outcomes for patients.

Danny K. Fu
Atrium Health

Read the Original

This page is a summary of: Time in Range: How to Measure It, How to Report It, and Its Practical Application in Clinical Decision-Making, Clinical Diabetes, December 2020, American Diabetes Association,
DOI: 10.2337/cd20-0042.
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