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Test Name

Glucose Tolerance Test, Gestational, 4 Specimens (100g)

CPT Code(s)

82951, 82952

Includes

Fasting, 1-Hour, 2-Hour, 3-Hour glucose

Methodology

Spectrophotometry (SP)

Limitations

Glucose levels may be depressed if sample is left on clot for an excessive length of time.

Reference Range(s)

Glucose, Fasting 65-94 mg/dL
Glucose, 1-Hour <180 mg/dL
Glucose, 2-Hour <155 mg/dL
Glucose, 3-Hour <140 mg/dL

Clinical Significance

Plasma glucose levels may be abnormally high (hyperglycemia) or abnormally low (hypoglycemia). Glucose measurements are used in the diagnosis and treatment of carbohydrate metabolic disorders.

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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Glucose Tolerance Test, Gestational, 4 Specimens (100g)
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