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Lavender Top EDTA Tube
Specimen Requirements
Preferred:
Container/Tube: Lavender Top EDTA Tube
Minimum Volume: 1 mL EDTA Whole Blood
Collection Instructions:
Also Acceptable:
Container/Tube: Pediatric microtainers are acceptable: minimum volume = 500 uL.
Specimen Stability
Ambient: 24 hours (at 25C)
Refrigerate: 4 Days (at 2-8C)
Whole blood EDTA specimens frozen at -70C can be tested up to 5 freeze/thaw cycles.
Reference Range
4.0 - 5.6% : Normal
5.7 - 6.4% : Prediabetes
> 6.5% : Diabetes
Methodology
high performance liquid chromatography
CPT
83036
Test Alias
Glycosylated Hgb