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Specimen Collection Manual and Test Catalog

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HEMOGLOBIN A2, QUANTITATIVE

Geisinger Epic Procedure Code:  LAB1180    Geisinger Epic ID:  52645

SPECIMEN COLLECTION
Specimen type: 

Whole blood


Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
Specimen required: 

5 mL whole blood; minimum 1 mL.


Special notes: 

Submit 2 EDTA tubes if a CBC is also being requested



SPECIMEN PROCESSING
Transport temperature: 

Room temperature.


Specimen stability: 

Room temperature: 5 days. Refrigerated: 7 days. Frozen: Unacceptable.


Rejection criteria: 

Hemolysis. Clotted specimen.



TEST DETAILS
Additional information: 

Blood transfusions within the last 4 months may affect results.


CPT code(s):  83020
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Capillary Electrophoresis
Synonyms: 

Quest test code 511, Hgb A2


Clinical significance: 

Differential diagnosis of thalassemia and anemias. In B-thalassemia trait A2 is elevated.


Review Date:  12/12/2024

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