In order to declare that a given individual has diabetes, there should be adequate evidence to suggest its presence. This evidence can only be present if there are confirmatory tests. Diabetes, just like any other disease has indicators. In order to read and interpret them, there are tests that need to be done.




Each test has different ways of doing it. In this article, there are various tests that are explained on how they are normally done, and which findings can define the presence of diabetes as a disease. These tests include:


  1. Random blood sugar test (RBST).

In this test, a health care provider withdraws a blood sample at any time. Then, the blood sugar kit is used to determine the amount of blood glucose. In the case that the sugar level for this random sample from 200mg/dL, then that individual has diabetes.

  1. Fasting blood sugar test (FBST).

In this case, an individual fasts overnight. The health care professional then withdraws a blood sample and then determines the blood sugar level. In the case that the level is greater or equal to 126 mg/dL in either two or more consecutive tests in two different occasions, then that very person is diabetic.

  1. Oral glucose tolerance test (OGTT).

The test involves fasting for the entire night before determining the blood sugar levels, just like in FBST. In addition, an individual drinks or takes a sugary substance before determining the sugar level in blood two hours after ingestion of the sugary substance. In the second testing after ingestion of a substance, blood sugar 200 mg/dL and above is a clear indication of diabetes.

  1. The Hemoglobin A1c Test (HbA1c test).

Just like the other tests, this test also involves withdrawal of blood from which the determination of the glucose level occurs. This test can diagnose diabetes if the obtained is greater than 6.5%.

In summary, making a diagnosis of diabetes involves taking some tests. The findings from the tests are the ones that determine if the person in concern has diabetes or not. For one to come up with a diagnosis, he or she must not only know how to test for diabetes, but also interpret the findings before declaring the very diagnosis of diabetes.

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