**Note: All laboratory testing requires an authorizing physician. DHA Laboratory offers a patient direct program that partners you with an authorizing physician. If you have any additional questions regarding the availability of testing, please contact our laboratory by telephone or email.**
Diabetes and prediabetes in adults can be diagnosed and screened for using this test. When glucose attaches to hemoglobin, hemoglobin A1c is then created. When glucose levels are elevated, more glycated hemoglobin is created.