A1C test for diabetes C prediabetes

A NIH fact sheet aims to help people better understand a test called the A1C, which is used to diagnose type 2 diabetes and prediabetes, and to monitor people with type 1 and type 2 diabetes.The A1C Test and Diabetes fact sheet is free and available online: www.diabetes.niddk.nih.gov/dm/pubs/A1CTest. (Visual description: This video shows NIH Clinical Center staff members working with medical samples in a laboratory setting to complete tests. NIH Clinical Center's Dr. David Sacks is interviewed.) Published Feb. 27, 2012