Oral Glucose Tolerance Test - OGTT (75 gm) Test Price and Details
1 labs availableLast Updated On Thursday, May 8, 2025
What is Oral-Glucose-Tolerance-Test-Ogtt-75-Gm?
The oral glucose tolerance test (OGTT) gauges how well the body utilizes glucose, the primary energy source for the body. The diagnosis of prediabetes and diabetes can be made with an OGTT. The most frequent use of an OGTT is to check for diabetes that develops during pregnancy (gestational diabetes). The test is available as a stand-alone procedure or as the second test in a two-step screening process for pregnant women.
Why this test is performed?
An OGTT could be used to:
- Look into diabetes and prediabetes.
- Examine women who are pregnant with gestational diabetes.
How to get ready for the test?
Inform your doctor of any medication you are taking,
including prescription and over-the-counter. Before the test, you might be
instructed to cease using a particular medication.
Before your initial blood sample is obtained, wait at least 8 hours before eating, drinking, smoking, or engaging in any vigorous activity. (Water is okay to consume before the test).
How the test is executed?
When you attend the test, a blood sample is obtained. This is the level of your fasting blood sugar. It will be contrasted with other blood glucose readings.
A little cup of extremely sweet liquid containing 50, 75, or 100 grams of glucose will be given to you to drink.
Throughout the next one to three hours, you will undergo
more blood tests.
You will indeed be asked to remain still throughout the entire exam because moving around can impact the results. During the exam, avoid eating. During this time, water may be consumed.
What is the duration of the examination?
Including the time, it takes for the doctor to meet with you, the test could take up to three hours.
What It's Like to have Oral-Glucose-Tolerance-Test-Ogtt-75-Gm?
It might be challenging for you to consume the incredibly sweet glucose beverage. After consuming the glucose beverage, some persons experience nausea and may vomit. You might not be able to finish the test that day if you vomit.
You might not feel the needle at all when a blood sample is obtained. Or perhaps you get a brief sting or pinch.
Due to having numerous blood samples drawn in one day, you can feel lightheaded. However, the volume of blood drawn won't result in a major loss of blood or anemia.
What are the ranges of results?
Normal
The typical range varies from lab to lab. The typical range is only a suggestion. In light of your age, health, and other circumstances, your doctor will also review your test results. Even though a value is outside the typical range, it can be normal for you.
High standards
High glucose levels could be brought on by:
- Diabetes.
- pregnancy diabetes
- Hyperthyroidism.
- Various medications are used to treat high blood pressure,
HIV infection, or AIDS, including corticosteroids, niacin, phenytoin
(Dilantin), and some diuretics.
- Cortisol levels in the blood are high (Cushing's syndrome).
- disorders that are inherited, like hemochromatosis.
- Pheochromocytoma.
Low numbers
- Low glucose levels can result from:
- Certain medications, including diabetic medications, some
blood pressure medications (like propranolol), and some antidepressants.
- Decreased cortisol and aldosterone production (Addison's
illness).
- Issues with the thyroid or a pituitary gland that is not
functioning properly.
- A pancreatic tumor or other issues.
- Liver illness.
Numerous factors can alter blood glucose levels. Any
substantial abnormal findings will be discussed with you by your doctor
regarding your symptoms and prior health.
Frequently Asked Questions
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