Lab Test

Glucose, Whole Blood

Blood Sugar , EPIC: LAB5345, SOFT: GLUW

Instructions

  • Glucose, Whole Blood should ONLY be collected at the Royal Oak or Troy Hospital Campuses. Specimens should not be collected at any other Beaumont Laboratory drawsite, nursing home, or Outreach office.
  • This test can be performed as either a fasting or random blood sugar.

Specimen Collection Criteria

Collect: One Dark Green-top Lithium Heparin tube. (Minimum Whole Blood: 1.0 mL)

Transport specimen STAT to the Laboratory after collection. 

Rejection Criteria

  • Specimen in which significant delays occur before arrival in the Laboratory (greater than 2 hours).

Storage

0,Sample should be tested within 1-2 hours of collection.

Performed

Sunday - Saturday, 24 hours a day.
Results available within 30 minutes of receipt in the Laboratory.

Reference Range

Fasting: 60-99 mg/dL.
Random: 60-139 mg/dL.

Test Methodology

Enzymatic.

Interpretation

See Glucose assay.

Clinical Utility

  • This assay is appropriate when rapid turn around time is important for patient management.
  • If serum or heparinized plasma is left in contact with blood cells for extended periods, glucose will be metabolized. Glucose levels decrease by about 5-7 mg/dl per hour at room temperature in normal specimens containing normal numbers of RBC's and WBC's.

CPT Code

82947.

Test Codes

EPIC: LAB5345, SOFT: GLUW

Last Updated

7/11/2019

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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.