Most laboratory tests require no special preparation on the part of the patient. There are some, however, that do. Some of the more common tests that require special patient preparation are listed below. Click on the test you are interested in to obtain instructions.

24-Hour Urine Collections
Catecholamines-Serum and Urine
Collecting Clean Catch Urine Specimens
Cortrosyn or Cortisol Stimulation Test
Fasting Specimens
Glucose Tolerance Test
Lead, Blood
Lipid Profile
Maternal Glucose Screen
Occult Blood
Serotonin, Blood
5HIAA Collection
Sputum Specimens
Stool Specimens
Triglycerides
Vanillylmandelic Acid (VMA)