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Hemoglobin A2
MessagePerformed by the Hematology Laboratory x5475, 76
Performed as part of the Hemoglobinopathy Screen.
Cannot be ordered as a stand alone test.
Performed as part of the Hemoglobinopathy Screen.
Cannot be ordered as a stand alone test.
Test Code
N/A (see HGBSC)
CPT Codes
83021
Preferred Specimen
whole blood
Minimum Volume
1 mL
Instructions
Other Hematology tests requiring a Purple Top (EDTA) tube can
also be performed on this sample. If other tests are ordered,
a minimum of 3 mL is required.
also be performed on this sample. If other tests are ordered,
a minimum of 3 mL is required.
Transport Container
3 mL Purple Top (EDTA)
Transport Temperature
Room Temperature
Specimen Stability
Stable up to 7 days refrigerated.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, QNS.
Methodology
HPLC
Setup Schedule
Tuesdays and Fridays 9 am - 3 pm
Reference Range
Male and Female:
| 0-3 months: 0.7-3.5% |
| 3-6 months: 0.6-3.5% |
| 6-12 months: 1.8-3.5% |
| 12-24 months 1.6-3.5% |
| >24 months: 1.5-3.5% |
Clinical Significance
Performed as part of the Hemoglobinopathy screen to evaluate Beta Thalassemia
