Preparing For Your Test & Collecting You Specimen(s)
Test Preparation & Specimen Collection FAQs
Do I need to fast before my blood draw?
Are there any supplement or medication restrictions before collecting my blood specimen?
Are there any food, supplement or medication restrictions before collecting my urine specimen?
Avoid food products containing the following preservatives 48 hours prior to urine collection:
Sorbic Acid/Sorbate (E 200-203) and Benzoic Acid/Sodium Benzoate (E 210-213).
Please contact your practitioner for their specific guidelines.
Where do I get my blood drawn?
What are the specimen requirements?
Please see our Specimen Requirements section. This information is also available in our service guide.
What is the age or other restrictions for testing?
The Comprehensive Urinary Metabolic and Environmental Pollutants Profiles are not suitable for ages younger than 2 years.