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Blood Test: Hemoglobin A1c

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What Is a Blood Test?


What Is a Hemoglobin A1c Test?

A hemoglobin A1c test measures how well controlled glucose levels have been for the last 3 months. Glucose is a type of sugar used by the body for energy. Glucose levels and hemoglobin A1c levels can be high if diabetes is not well controlled.

Why Are Hemoglobin A1c Tests Done?

When a child has diabetes, hemoglobin A1c levels are followed to see how well medicines are working. If a child with diabetes has a high hemoglobin A1c level, it may mean that medicines need to be adjusted. Sometimes a hemoglobin A1c test is done as part of a routine checkup to screen for problems.

How Should We Prepare for a Hemoglobin A1c Test?



How Is a Hemoglobin A1c Test Done?


  • clean the skin 
  • pull the blood sample into a vial or syringe





Can I Stay With My Child During a Hemoglobin A1c Test?


How Long Does a Hemoglobin A1c Test Take?

Most blood tests take just a few minutes. Occasionally, it can be hard to find a vein so the health professional may need to try more than once.

What Happens After a Hemoglobin A1c Test?


When Are Hemoglobin A1c Test Results Ready?


Are There Any Risks From Hemoglobin A1c Tests?



If you have questions about the hemoglobin A1c test, speak with your doctor or the health professional doing the blood draw.

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