Preparation:
No fasting is required. Avoid antibiotics and antihistamines for 5 days, oral steroids for 7 days, and topical steroids for 24 hours prior to collection. Reduce vitamin C to 2500 mg or less for 48 hours prior to collection. If possible take medications or supplements after collection. Check with your physician before stopping any medications.
Test Results:
5-7 business days once the lab receives the specimen. May take longer based on weather, holiday, or lab delays.