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Test Code 214 Glucose Tolerance, 2 Hour (OGTT)

Additional Codes

COPIA Test Code EPIC Test Codes
Glucose, 2 hr (non-ob) LAB0277137 GLUCOSE TOL, 2 HR

 

Reporting Title

Glucose,2 hr (non-ob)

Methodology

Hexokinase

Performing Laboratory

Rice Memorial Hospital

Specimen Requirements

Specimen Type: Plasma or serum

Container/Tube:

Preferred Plasma: Heparin, plain or gel separator

Acceptable Plasma: EDTA, NaF

Serum: Clot, plain, activator or gel separator

Specimen Volume: 0.5 mL

Specimen Minimum Volume: 0.2 mL

Collection Instructions:

1. Fasting glucose is drawn. 

2. A loading dose (75 grams) of glucose is administered to the patient.

3. A glucose blood sample is drawn 2 hours post dose.

4. Separate plasma/serum from cells as soon as possible after collection.

5. Follow laboratory procedure.

Specimen Transport Temperature

Refrigerated (preferred) up to 7 days/Ambient up to 2 days/Frozen up to 3 months

Reference Values

Fasting glucose: 70-105 mg/dL
2 hour glucose: <140 mg/dL

Critical Value: <40 or >700 mg/dL

Day(s) Test Set Up

Monday through Friday

CPT Coding

82950-Glucose, 2 specimens

82952-Glucose, each additional