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HelpGlucose Tolerance, 2 Hour (75g)
Additional Codes
LAB5716
Performing Laboratory
MBMC Main Laboratory
Methodology
UV-Hexokinase
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin gel)
Alternative Container/Tube: Gray top (potassium oxalate/sodium fluoride)
Alternative Specimen Type: Serum
Alternative Container/ Tube: Gold, Serum gel
Specimen Volume: Full tube
Collection Instructions:
1. Patient should be fasting for at least 8 hours prior to beginning the test and should not eat or smoke during the procedure.
2. Draw baseline glucose specimen.
3. Have patient (with the exception of children) ingest 75 grams of Glucola.
4. Children’s dosage to be calculated by weight by specified formula.
5. Draw blood at 2 hour interval post ingestion.
Additional Information: Label specimens appropriately (corresponding draw times).
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Saturday
Before 9 a.m.
Turnaround Time:
Within 4 hours
Reference Values
Fasting: <100 mg/dL
2-hour specimen: <140 mg/dL
Critical values (automatic call-back)
Adults: <55 mg/dL or >450 mg/dL
Test Classification and CPT Coding
Test Classification:This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.
CPT Code:
82947-Glucose, quantitation
82950-Glucose, post glucose dose
Stability
Mint top or Gold: 3 days Refrigerated
Gray top tube: 5 days Refrigerated
Profile Information
Includes a fasting glucose and one post dose