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Glucose, Two-Hour Postprandial
Test CodeLAB4754
CPT Codes
82947
Preferred Specimen
1 mL plasma collected in a fluoride oxalate (gray-top) tube
Minimum Volume
0.5 ml plasma
Other Acceptable Specimens
1 mL serum collected in a red-top tube (no gel) Lithium heparin (green top)
Instructions
Draw baseline,have patient eat. Then draw 2 hour glucose level after meal.
Transport Temperature
Room Temperature
Specimen Stability
Room temperature: 8 hours
Refrigerated: 48 hours
Refrigerated: 48 hours
