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Glucose Fasting
MessageTesting is performed in the Chemistry Laboratory x5820
10.2018
10.2018
Test Code
GLUF
Alias/See Also
Glucose
CPT Codes
82947
Preferred Specimen
Plasma from a Grey top tube
Minimum Volume
1 mL
Other Acceptable Specimens
Plasma from a green top (PST) tube
Instructions
Centrifuge within 2 hours of collection
Transport Container
Gray Top tube or Green Top (PST) tube
Transport Temperature
Room temperature
Specimen Stability
2 - 8 oC: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Contamination from IV fluids can cause erroneous results
Methodology
Hexokinase/G-6-PDH (Abbott Architect)
Setup Schedule
This assay is performed 24 hours per day, 7 days per week
Reference Range
Glucose 70 - 139 mg/dL
Glucose, fasting 70 - 99 mg/dL
Glucose, fingerstick 70 - 139 mg/dL
Glucose, whole blood 70 - 139 mg/dL
Critical Value
0 - 1 month ≤ 45 or ≥ 250 mg/dL
> 1 month ≤ 45 or ≥ 450 mg/dL
Glucose, fasting 70 - 99 mg/dL
Glucose, fingerstick 70 - 139 mg/dL
Glucose, whole blood 70 - 139 mg/dL
Critical Value
0 - 1 month ≤ 45 or ≥ 250 mg/dL
> 1 month ≤ 45 or ≥ 450 mg/dL
Clinical Significance
This test is used in the diagnosis and treatment of carbohydrate metabolism disorders.
