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HEMOGLOBIN A1C

HEMOGLOBIN A1C
HEMOGLOBIN A1C
$16.73
  • Stock: In Stock
  • CPT Code: 83036
  • QDTest Code: 496
  • Access Test Code: L202
  • LabCorp Test Code: 001453
  • Model: HAC0017


HEMOGLOBIN A1C


Hemoglobin A1c, also called A1c or glycated hemoglobin, is hemoglobin with glucose attached. The A1c test evaluates the average amount of glucose in the blood over the last 2 to 3 months by measuring the percentage of glycated hemoglobin in the blood.

Hemoglobin is an oxygen-transporting protein found inside red blood cells (RBCs). There are several types of normal hemoglobin, but the predominant form  about 95-96%  is hemoglobin A. As glucose circulates in the blood, some of it spontaneously binds to hemoglobin A.

The higher the level of glucose in the blood, the more glycated hemoglobin is formed. Once the glucose binds to the hemoglobin, it remains there for the life of the red blood cell normally about 120 days. 

The predominant form of glycated hemoglobin is referred to as A1c. A1c is produced on a daily basis and slowly cleared from the blood as older RBCs die and younger RBCs (with non-glycated hemoglobin) take their place.

An A1c test may be used to screen for and diagnose diabetes or risk of developing diabetes. Standards of medical care in diabetes from the American Diabetes Association (ADA) state that diabetes may be diagnosed based on A1c criteria or blood glucose criteria (e.g., the fasting blood glucose (FBG) or the 2-hour glucose tolerance test). A1c is also used to monitor treatment for individuals diagnosed with diabetes. It helps to evaluate how well your glucose levels have been controlled by treatment over time. For monitoring purposes, an A1c of less than 7% indicates good glucose control and a lower risk of diabetic complications for the majority of people with diabetes.