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HelpTest Code LAB81 Glucose Fasting
Clinical Information
This test measures glucose in fasting samples (fasting defined as no caloric intake for 8 hours).
Synonym
- GLUF
Specimen Required
Preferred Container/Tube: Mint Green Top
Acceptable Container/Tube: Mint Green Top, Gold SST Top
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL
Specimen Stability Information
Ambient: 8 hours
Refrigerated: 3 days
Rejected Due To
- Gross hemolysis
- Gross icterus
- Quantity not sufficient
- Quality not acceptable
Reference Values
0-30 days: 55-115 mg/dL
31-182 days: 57-117 mg/dL
183-365 days: 70-126 mg/dL
1+ years: 70-99 mg/dL
Interpretation
The reference interval provided is for plasma glucose measurements from samples collected after an 8 hour fast (no caloric intake).
Cautions
Falsely elevated glucose results may occur in patients taking Eltrombopag. In some cases of monoclonal gammopathies (especially Waldenstrom's macroglobulinemia with very high concentrations of IgM), glucose results may be unreliable.
Method Description
Photometric rate with hexokinase
Performing Lab
Clinical Lab UH
Clinical Lab University East
Clinical Lab James
Clinical Lab Martha Morehouse
Clinical Lab Spielman
Clinical Lab West Campus
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 day
Reporting Name
Glucose Fasting
CPT Code Information
82947
LOINC Code Information
2345-7