The A1c Test
Overview
Higher A1c levels are associated with higher blood sugar levels, which can lead to complications. A1c tests are done twice yearly for those with well controlled diabetes and four times a year if your A1c if higher than desired.
There is no need to prepare for the test. A medical professional will insert a needle in one of your veins, usually in an arm. They will collect a small amount of blood in a glass tube. Any discomfort will be temporary.
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Sample collection for A1c Teat |
The A1c Test and Diabetes
Diabetes is a condition in which your body either does not make any or enough insulin and/or does not use the insulin the right way. When this happens, glucose levels in the bloodstream are high. High blood sugar can damage blood vessels and small nerves, so it’s important to keep blood sugar levels within a certain range.
Because the A1c test shows you how your blood sugar has been averaging over the last two to three months (called estimated average glucose), it can give a good picture of overall blood sugar control, and is used to help determine your risk for developing complications.
What Does the A1c Test Show?
A healthy A1c level is less than 5.7 percent.
Normal: A1c levels Less than 5.7 percent
Pre-diabetes: 5.7 to 6.4 percent
Diabetes: 6.5 percent or higher
If your A1c is above six percent, it may mean that you are pre-diabetic. Pre-diabetes is a condition that can occur before a person is formally diagnosed with type 2 diabetes, but can be reversed through improved diet and exercise.
A high A1c reading may also mean that you’re already diabetic, and you’re not controlling your blood sugar levels as well as you should. The longer a person’s A1c levels remain elevated, the greater the risk of developing side effects related to diabetes.
Higher A1c levels have been linked to higher risk of:
• stroke and heart attack (cardiovascular disease)
• kidney disease (nephropathy)
• nerve damage (neuropathy)
• eye damage that may result in blindness (retinopathy)
If your A1c value is high, your doctor and health care team will help you to change your treatment plan.
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