Evaluate diabetic control, reflecting diabetic control over a shorter time period (2-3 weeks) than that represented by hemoglobin A(1c) (4-8 weeks). Indicated as an index of longer-term control than glucose levels, especially in diabetic subjects with abnormal hemoglobins and in type 1 diabetes in children.
Immediatley following collection, mix sample by gently inverting 5 times
1. Allow sample to clot for a minimum of 30 minutes
2. Spin within 45 minutes of sample collection
Gold serum separator (SST) tube
Red:
Dk green/Lavender:
Ambient (preferred) - 7 days
Refrigerated - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x 2
Colorimetric
0 - 285 µmol/L