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Test Name:
Hemoglobin A1c
- SBMF No:
23409 - Performance Lab Name:
Automated Lab - Test Mnemonic:
HB A1C - ABN:
May be required – Medical Necessity - CPT Code:
83036 - LOINC Code:
4548-4; 27353-2 - Test Includes:
Hemoglobin A1c
Estimated Average Glucose (eAG) - Also Known As:
A1c Hemoglobin
Glycated Hemoglobin
Glycosylated Hemoglobin
HbA1c
Hgb A1c - Spec Type:
Whole blood - Spec Container:
Lavender top (EDTA) tube - Pref Vol:
5.0 mL - Min Vol:
1.0 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Refrigerated - Spec Stability:
1 week refrigerated (2-8°C) - Methodology:
Turbidimetric Inhibition Immunoassay (TINIA) - Use:
Monitoring glycemic status for patients with diabetes - Clinical Significance:
Therapy for diabetes requires the long-term maintenance of a blood glucose level as close as possible to a normal level. A single fasting blood glucose measurement is an indication of the patient's immediate past condition, but may not represent the true status of blood glucose regulation.
An accurate index of the mean blood glucose concentration may be established by the measurement of hemoglobin A1c (HbA1c) every two to three months. The level of HbA1c is proportional to both the average glucose concentration and the life span of the hemoglobin in the circulation. The measurement of HbA1c has therefore been accepted for the clinical management of diabetes.
Also see:
- Reference Range:
Hemoglobin A1c
4.6-5.9%Interpretive Data:
Hemoglobin A1C
The ADA has recommended the A1C goal for nonpregnant adults in general is < 7% and, for selected patients, as close to the normal range (<6%) as possible, if this can be achieved without significant hypoglycemia.eAG mg/dL
Estimated average glucose (eAG) is calculated based on the equation derived from the A1c Derived Average Glucose (ADAG) study that was published by ADA in 2008. - Additional Test Info:
Note: SBMF provides serial reporting for this test at no additional charge - Day Run:
Sun-Sat (daily) - Time Run:
7:00 am - Time Reported:
5:00 pm - Test Type:
CHEMISTRY
