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Glucose Postprandial 2 hour
MessageSpecimen collected 2 hour after finishing meal
Test Code
LAB2140
Alias/See Also
Glucsoe PP
CPT Codes
82947
Preferred Specimen
4.5 ml (600 ml min) lithium heparin (green); alternate-SST (gold) or Red (no additive) or Sodium Fluoride (Gray)
Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum
Other Acceptable Specimens
Gold SST/ Grey Sodium Fluoride tube
Instructions
Separate plasma/serum from cells promptly
Transport Temperature
Room temp
Specimen Stability
Green top, plasma separated from cells: 8 hrs room temp, 48 hrs refrigerated. Gray top: 24 hrs room temp, 7 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >30 mg/dL bilirubin, Hemolysis: >500 mg/dL Hemoglobin, Lipemia: >500 mg/dL triglycerides
Methodology
Photometric/Hexokinase
Setup Schedule
Mon-Sun
Clinical Significance
The Two-hour Post-Prandial Glucose is used to establish the diagnosis of diabetes mellitus. It may be used (in addition to fasting
glucose) to follow patients with impaired glucose tolerance
glucose) to follow patients with impaired glucose tolerance
Performing Laboratory
Piedmont Athens Regional
