Fasting Blood Sugar, Fasting Plasma Glucose
24 hours
Enzymatic with Hexokinase
65 - 99 mg/dL
Results are reported in conventional units (mg/dL).
Accredited NRL Laboratory
Daily
Useful for diagnosing and managing diabetes mellitus and other carbohydrate metabolism disorders including gestational diabetes, neonatal hypoglycemia, idiopathic hypoglycemia, and pancreatic islet cell carcinoma.
Plasma (Fluoride Oxalate) or Serum
0.5 mL
Fluoride Oxalate Plasma (Grey Top) - Preferred, Serum Separator Tube (SST; Gold Top) - acceptable, Lithium Heparin Plasma Gel Tube (Green Top) - acceptable
Patients must be fasted for at least 8 hours (but for no longer than 16 hours) prior to sample collection.
Samples should be sent to the laboratory as soon as possible after collection. If this is not possible, serum samples must be centrifuged within 2 hours and transported refrigerated (2 to 8°C).
| Temperature | Period |
|---|---|
| Refrigerated | 3 days |
| Frozen | 1 month at -20° C |