Prediabetes Glucose Levels- 3 Tests Diagnose Sugar Levels

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Prediabetes glucose levels

The above chart indicates prediabetes glucose levels or prediabetes blood sugar levels.

Prediabetes is the precondition of type 2 diabetes. You do not find any significant prediabetes symptoms or sings except some common symptoms like excessive thirst, frequent urination etc. It can be only diagnosed by several blood sugar tests. When you have overweight, random eating and lack of physical exercise, you have the risk of prediabetes or type 2 diabetes. So, it is high time to test your prediabetes glucose levels. Not a single blood sugar test can ensure that you have prediabetes or the risk of type 2 diabetes. To be surer, doctors need several blood sugar diagnoses.

How to diagnose you have prediabetes glucose levels?

Generally 3 blood sugar tests are done for getting the exact idea of diabetes or prediabetes glucose levels. These are A1C test, Fasting Plasma Glucose test and Oral Glucose Tolerance Test.

A1C test

A1C test is also known as hemoglobin A1C, glycohemoglobin or HbA1c test. This test is done basically for identifying prediabetes or type 2 diabetes. It tells the average levels of blood glucose over the past 3 months. A1C does not show the fluctuation of daily blood sugar levels. You can give this test any time on the day and you do not need fast. It shows glucose levels at percentage. The higher percentage is, the higher blood sugar level is.

  • Normal or no diabetes- Glucose or blood sugar level is below 5.7%.
  • Prediabetes or risk of type 2 diabetes- Glucose or blood sugar level is 5.7% to 6.4%.
  • Type 2 diabetes- Glucose or blood sugar level is 6.5% or above.

Fasting Plasma Glucose (FPG) test

The FPG test is taken after fasting at least 8 hours. It is generally done in the morning before taking meal. It is also taken for knowing prediabetes or type 2 diabetes. This test tells the fasting glucose levels. It is usually an expensive blood test but easy.

  • Normal or no diabetes- Glucose or blood sugar level is below 100 mg/dl.
  • Prediabetes or Impaired Fasting Glucose (IFG) - Glucose or blood sugar level is 100 to 125 mg/dl.
  • Type 2 diabetes- Glucose or blood sugar level is 126 mg/dl or above.

Oral Glucose Tolerance Test (OGTT)

The OGTT is more complex and sensitive than the above two tests. This test is taken once after fasting at least 8 hours. It is taken secondly after 2 hours of drinking a sugary drink. The doctor gives 75 gm glucose dissolve to drink.

  • Normal or no diabetes- Glucose or blood sugar level is below 140 mg/dl.
  • Prediabetes or Impaired Glucose Tolerance (IGT) - Glucose or blood sugar level is 140 to 199 mg/dl.
  • Type 2 diabetes- Glucose or blood sugar level is 200 mg/dl or above.

In addition, your doctor diagnoses another blood sugar test during your regular health checkup. This test is known as Random Plasma Glucose test. You have type 2 diabetes if the test’s blood sugar level is 200 mg/dl or above.

After completing the above tests, if your doctor sees, you have the risk of type 2 diabetes or prediabetes glucose levels; he will suggest some treatments like eating especial diet for prediabetes, taking physical exercise, forming healthy life styles and regular blood sugar tests.

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