"Clinical Significance
Hemoglobin A1c with Reflex to GlycoMark® - To assist with control of blood glucose levels, the American Diabetes Association (ADA) has recommended glycated hemoglobin testing (HbA1c) twice a year for patients with stable glycemia, and quarterly for patients with poor glucose control. Interpretative ranges are based on ADA guidelines.
Minimum Volume
0.5 mL of each sample type
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 6 months
Reject Criteria
Sodium fluoride/oxalate (gray-top) tube • Heparinized plasma
Includes
If Hemoglobin A1c is ≥6.5 and ≤8.0, then GlycoMark® will be performed at an additional charge (CPT code(s): 84378).
Methodology
Enzymatic
Reference Range(s)
<5.7 % of total hemoglobin
Alternative Name(s)
A1c,HA1c,Hgb A1c