Frequently Asked Questions

What is fasting?

Fasting is not ingesting food or liquid (other than water) usually for a period of time from 12 -14 hours. During this time you should not chew gum, drink coffee or other caffeinated beverages. You can brush your teeth, but do not swallow.

Which tests do I need to fast before taking?

• Three Hour Glucose Tolerance
• Lipid Profile
• Gastrin
• Cholesterol
• A1C
• Triglycerides
• Basic Metabolic Profile (Recommended/not Required)
• Comprehensive Metabolic Profile (Recommended/not Required

Whom do I contact for information on paternity testing?

Call 800.362.2368 to obtain information about paternity testing.

What are the most common glucose tolerance tests and how do I prepare for each?

Three Hour Glucose Tolerance Test

• You must fast for 12-14 hours prior to test.
• Your physician must schedule an appointment for this test.
• Be prepared to stay at our facility for four hours to allow time for registration, preparation for test and to ensure that blood is drawn at exact intervals.
• You will be given a glucose drink and have your blood drawn five times: first at 30 minute intervals and then 1 hour intervals.

O'Sullivan or One Hour Glucose Tolerance Test

• You must fast for 12-14 hours prior to test.
• Be prepared to stay at our facility for about an hour and a half to allow time for registration, preparation for test and to ensure blood is drawn at exact time.
• You will be given a glucose drink and have your blood drawn once.

Post-Prandial Glucose Test

• You must fast 12-14 hours prior to test.
• Your blood will be drawn and then you will be sent home to eat a meal. Exactly one hour after eating your meal your blood will be drawn again, so please allow for travel time.

Will I be expected to pay at time of service?

If you have Medicare, Medicaid or an insurance plan we will file a claim on your behalf. If you do not have insurance coverage, plan to make at least a partial payment at time of service.

Why is my physician ordering this test?

You need to consult your physician regarding why certain tests are being performed. When determining what tests to order your physician considers your particular condition, and therefore is the most appropriate person to ask regarding why particular tests are being performed.

How soon will my physician receive my results?

Most test results will be returned to your physician the following day, however some results will not be available to your physician for up to seven days.

How do I collect a stool specimen?

Prior to collecting a stool specimen come to our facility to obtain instructions and appropriate containers. Most specimens will need to be refrigerated.