Improving Diabetes Prevention and Management


National Institutes of Health

Funding Area

Improving Diabetes Prevention and Management


September 13, 2011

This new fact sheet from the National Institutes of Health explains the A1C test, a widely used and important test to diagnose Type 2 diabetes and prediabetes.

The fact sheet offers in-depth information for people being tested and covers a wide range of information including:

  • How the test works
  • Other blood tests for Type 2 diabetes and prediabetes
  • Accuracy of blood tests
  • Where to learn more about A1C tests in people with hemoglobin variants
  • A1C targets

View the fact sheet.