Gestational Glucose Tolerance - 3 Hour (ACOG Recommendations)
Icon & Photos
Grey Potassium Oxalate
Specimen Requirements
Preferred:
Container/Tube: Grey Potassium Oxalate
Minimum Volume: 1.0 mL
Collection Instructions:
Also Acceptable:
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Specimen Stability
Ambient: 8 hours
Refrigerate: 48 hours
Frozen: aliquot for longer storage
Reference Range
Fasting Glucose: 70 – 94 mg/dL
1 Hour Glucose: 70 – 179 mg/dL
2 Hour Glucose: 70 – 154 mg/dL
3 Hour Glucose 70 – 139 mg/dL
Methodology
O2 Depletion
CPT
82951
82952