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Hemoglobin A1C (Glycosylated Hemoglobin)

Test Code
HA1C


Preferred Specimen
Whole Blood, EDTA, 2.0 ml minimum


Transport Container
Lavender top


Transport Temperature
Specimen stable for 4 hours at room temp., 7 days if refrigerated.


Reference Range

See report for normal ranges. PLEASE NOTE--Reference ranges may not be applicable in cases of reduced red cell survival (including hemoglobinopathies), recent transfusion, and administration of EPO.

 


 



Clinical Significance
The measurement of Hemoglobin A1c is accepted as a way of measuring long-term glucose control in patients with diabetes mellitus.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.