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- Test Details
- Lab Values
- Clinical Significance
- Treatment Options
Glucose is the major short term source of energy for the body, and is obtained from the diet, as well as being produced in the liver.
9 hour fast prior to collection. Patient may drink water only.
1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top). Allow sample to clot for 30 minutes and centrifuge immediately thereafter.
Dried Blood collected on an AdvanceDx 100 card
Refrigerated (ship on frozen cold packs)
Refrigerated: 3 days
- Normal: 70-99 mg/dL
- Borderline: 100 – 125 mg/dL
- Increased Risk: <70; >125 mg/dL
- Alert: <40; >500 mg/dL
A fasting glucose level ≥ 125 mg/dL indicates the presence of diabetes mellitus, associated with a significantly increased risk of developing CVD, stroke, peripheral vascular disease, kidney failure, neuropathy, and retinopathy. The test needs to be confirmed by also having an elevated HbA1c level. Clinically significant hypoglycemia is defined as blood glucose <54 mg/dL.1
- American Diabetes Association. Standards of medical care in diabetes. Diabetes Care-2018. Diabetes Care. 2018;41(Suppl 1):S55-S64.
- Lifestyle modification
- Glucose lowering medications
- Soluble Fiber