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Test Code:
HBA1c

Order Name:
%HbA1c

 
Useful For:
Evaluating the long-term control of blood glucose concentrations in diabetic patients Diagnosing diabetes Identifying patients at increased risk for diabetes (prediabetes).
 
Methodology:
Enzymatic
 
AliasesName:
A1c Hemoglobin
Glycated Hemoglobin
Glyco HGB (Glycosylated Hemoglobin)
Glyco-Hb
HA1C, B
HBA1c, B
Hemoglobin A1C, B
HgbA1c
Glycosylated Hemoglobin
 
 
 
Test Code:
HBA1c

Order Name:
%HbA1c

 
Collection Specimen Or Container:
Blood/ K3 EDTA (Lavender Top) 3 mL, 1 tube
 
Specimen Testing Type:
Blood EDTA, minimum volume 1 mL
 
Sub Mission Container:
EDTA tube
 
Rejection Criteria:
Hemolysis: N/A
Lipemia: 4+ reject
Icterus: 3+ or above reject
Other: Clotted specimen will be reject
 
Specimen Stabillity:
Specimen Type Temperature Time
Blood Refrigerated, 2oC to 8oC 7 days
 
 
 
Test Code:
HBA1c

Order Name:
%HbA1c

 
Method detail:
Enzymatic
 
Schedule:
Tested daily (24 hours)
 
Turnaround Time:
Collected specimen to report within 1.5 hours (90 mins)
 
Performing Location:
Chemistry, Laboratory Department Tel. 13224
 
Specimen Retention Time:
5 days
 
 
 
Test Code:
HBA1c

Order Name:
%HbA1c

 
 
Clinical Information:
HbA1c is the fraction of hemoglobin A that is first reversibly, then irreversibly glycated at one or both N-terminal valines of the β-chain.

The longer red blood cells are in circulation and the higher the ambient glucose levels, the higher the concentration of HbA1c. This biology makes HbA1c a good marker for estimation of the average blood glucose levels in the preceding 3 months. The HbA1c assay is useful in the:
- diagnosis of diabetes mellitus,
- identification of patients at risk for developing diabetes, and
- monitoring of patients with diabetes mellitus.

For monitoring diabetic patients, it is recommended that glycemic goals are individualized following current professional society recommendations. As recommended by the American Diabetes Association (ADA), patients in the range of 5.7 to 6.4% HbA1c (39 to 46 mmol/mol) would be in the category of increased risk for diabetes and results ≥ 6.5% (48 mmol/mol) may aid in the diagnosis of diabetes.
 
Reference Value:
≤ 5.6%
 
Interpretation:
Diagnosing diabetes American Diabetes Association (ADA) - Hemoglobin A1c (HbA1c) ≥6.5%
 
Clinical Reference:
  1. Manufacturer’s reagent package insert, Architect® HbA1c, Abbott Laboratories, Diagnostic Division, Abbott Park IL 60064 USA, July 2015.
  2. http://www.diabetes.org/diabetes-basics/diagnosis (Retrieved: June 2018)
  3. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)