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Test Code HBA1C Hemoglobin A1c

Collection Container

Lavender (EDTA)

Specimen Required

Whole Blood

Specimen Volume

2 mL

Minimum Specimen Volume

0.6 mL

Special Handling Instructions

Do not centrifuge

Transport Temperature

Refrigerate

Specimen Stability

Room temperature: 3 days, Refrigerated: 7 days, Frozen: 6
months

Reasons for Rejection

Specimen not whole blood; not collected in a lavender top
tube

Methodology

Turbidimetric Inhibition Immunoassay (TINIA)

Reference Ranges

Expected values: HGBA1C (%) Glucose control index:
Poor >10%
Fair 8-10%
Good 7-8%
Very good 6-7%
Excellent <6%

Turnaround Time

24 hours

Day(s) and Time(s) Performed

Test performed daily

CPT Code

83036

Units of Measure

%

LOINC Code

17855-8