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HelpTest Code GLU Glucose, Plasma or Serum
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube(s) or a plasma gel tube(s). Spin down within 2 hours of draw, and send 1 mL of lithium heparin plasma refrigerated.
Note: 1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down within 2 hours of draw, and send 1 mL of serum refrigerated.
Note: 1. Indicate serum on request form.
2. Label specimen appropriately (serum).
Performing Laboratory
Conway Regional Clinical Laboratory ServicesReference Values
0-1 year: 70-123 mg/dL≥1-2 years: 56-145 mg/dL
≥2 years: 70-105 mg/dL
Critical values (automatic call-back)
0-1 year: <40 mg/dL or >200 mg/dL
≥2 years: <40 mg/dL or >450 mg/dL
Note: Glycolysis due to failure to refrigerate specimen or to send it to the laboratory immediately may result in false-negative results. Failure to observe dietary restrictions may elevate glucose levels.