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Glucose (Random or Fasting)


This assay is based on the hexokinase G-6-PDH method for the determination of glucose levels in serum or plasma.

Test Utility

This test measures the level of glucose (sugar) in the blood. A glucose test is commonly used with other tests to diagnose diabetes.

Specimen Collection and Preparation

Serum or plasma sample in the following tubes:

  • Serum separator tube (gold or tiger top)

  • EDTA (lavender top)

  • Sodium Fluoride (grey top)

  • Heparin (green top)

Specimen Storage and Stability

Store serum/plasma at the following temperatures:

  • Room temperature: 15°C to 25°C 8 hours

  • Refrigerated: 2°C to 8°C for up to 3 days

Fluoride preserved plasma samples:

  • Room temperature: 15°C to 25°C for up to 3 days

Specimen Rejection

  • Insufficient sample volume

  • Sample not stored at proper temperature

  • Frozen whole blood

  • Severely hemolyzed samples

  • Severely lipemic specimens

  • Specimen labeled incorrectly or not labeled

Reference Pages


Monday – Saturday

Result available within 24 hours of receipt in laboratory

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal

STAT results available within 2 hours of receipt in the laboratory


Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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