HgB A1C Levels – Factors Affecting Blood Glucose Control and Diabetes Diagnosis

HgB A1C affected by

shortened RBC lifespan of <120 days, hemolytic anemia, hemoglobinopathies

HgB A1C, also known as glycated hemoglobin, is a measure of average blood glucose over a period of two to three months. It is primarily used to monitor long-term blood sugar control and diagnose diabetes.

Several factors can affect HgB A1C levels, including:

1. Blood glucose levels: Since HgB A1C is directly related to the average blood sugar levels over a few months, if the blood glucose levels are higher, the HgB A1C will also be higher.

2. Medications: Certain medications may interfere with HgB A1C measurements, causing them to be falsely high or low. For instance, high doses of aspirin and vitamin C may decrease HgB A1C levels.

3. Anemia: Anemia can affect HgB A1C levels because HgB A1C is directly related to the number of red blood cells in the body. If the body has fewer red blood cells, the concentration of HgB A1C may appear higher.

4. Kidney function: Kidneys are responsible for clearing glucose from the blood. If the kidneys are not functioning properly, they may not be able to clear the glucose efficiently, leading to higher HgB A1C levels.

5. Pregnancy: During pregnancy, HgB A1C levels may be lower than usual due to an increase in red blood cell turnover.

It is essential to work with a healthcare provider to interpret any changes in HgB A1C levels and determine the best course of action.

More Answers: