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For health professionals : Refer a patient : Laboratory Services : Test Table : Hemoglobin A2

Hemoglobin A2

Mnemonic

HGB A2

Guidelines

Please refer to LabAlert: New Hemoglobin A₂ Reference Ranges

Specimen Collection Requirements

Collect

EDTA Whole Blood, one 4.0 mL lavender top tube or two 2.0 mL lavender top tubes (pediatric tubes)

Handling

Do not separate. Do not freeze.

Preferred Volume

4 mL EDTA Whole Blood

Minimum Volume

2 mL EDTA whole blood

Transport

Refrigerated (2-8°C)

Rejection Criteria

Clotted or frozen specimens

Stability

UNSPUN EDTA WHOLE BLOOD: Room Temperature (18-26°C): Unacceptable; Refrigerated (2-8°C): 7 days; Frozen (≤-20°C): Unacceptable

Testing Information

Performed

Monday, Thursday

Reported

2-7 days

Method

Capillary Electrophoresis

Reference Values

Reference Values

≤6 months: ≤3.2%

>6 months: 2.2 – 3.2%

CPT Codes

83020

Last Updated: Wednesday, January 20, 2021 01:26:21 AM

Client Services: 503-413-1234