Hemoglobin A1c

Test Code



Testing performed on Beckman Coulter Access2 Immunoassay Systems with serum testing.

Test Utility

Used in monitoring diabetic patients.

Specimen Storage and Stability

Whole blood sample (Plasma K2EDTA, Lavender Top) are stable for up to eight hours when stored at 20-25C, or for 7 days when stored at 2-8C.

Specimen Collection and Preparation

Do not centrifuge. Store whole blood refrigerated (2-8C or 36-46F) prior to transport. Minimum whole blood, 2.0mL.

Specimen Rejection

  • Improperly labeled

  • Specimen grossly

  • Hemolyzed uncentrifuged

Reference Ranges


Monday - Saturday, 16 hours a day.

Result available after getting the specimen in 5 hours.

STAT results available within 2 hours of receipt in the Laboratory.

*NOTE: All Specimen Refrigerated (2-8°C) for 7 days only.


Vibra Health Laboratory

Phone: (248) 846-0663


1307 Allen Dr, Suite A, Troy, MI 48083