The HbA1c test is a blood test that is useful for evaluating symptoms of diabetes. Through this test, the level of blood sugar is determined, which reflects how much sugar has been in the body over the past three months. The HbA1c test is based on a calculation of the level of haemoglobin associated with glucose in the blood. Based on the level of blood sugar and haemoglobin in the blood at this time, a doctor can recommend adjusted treatments or appropriate medications for diabetes or related issues.
To understand the HbA1c test, it is important to first understand what haemoglobin is. Haemoglobin is a protein in red blood cells that carries oxygen throughout the body. When glucose levels in the blood are high, glucose attaches to the haemoglobin, creating a new molecule called haemoglobin A1c, or HbA1c. Since red blood cells have a lifespan of about three months, the HbA1c test provides an average of blood sugar levels during that time period.
The HbA1c test measures the percentage of HbA1c in the blood. The normal range is usually less than 5.7%, while a level between 5.7% and 6.4% are considered prediabetic. A level of 6.5% or higher is generally indicative of diabetes. However, it is important to note that HbA1c levels can vary depending on certain conditions such as anaemia, kidney disease, and pregnancy.
The HbA1c test is typically performed in a laboratory and requires a blood sample from a vein. It is a simple and quick procedure that usually takes only a few minutes to complete. There are no specific preparations required for the test, but it is recommended to fast for at least eight hours prior to the test to ensure accurate results.
In conclusion, the HbA1c test is a useful tool for assessing blood sugar levels over an extended period of time. It provides a snapshot of average blood sugar levels over the past three months and can be helpful in diagnosing and monitoring diabetes or related conditions. It is a simple and quick blood test that is performed in a laboratory and provides accurate results.
-By HL Vishwakarma
