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Gestational Glucose Tolerance - 3 Hour (ACOG Recommendations)

Important Note

Patient is pregnant or post-partum

Draw fasting glucose specimen & finger stick glucose

Give 100 gram glucola

Draw following specimens at correct time:

   1 Hour Glucose

   2 Hour Glucose

   3 Hour Glucose
 

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