Histamine
DHA Laboratory
Sample type: Whole blood
Requires fasting: No
Phlebotomy is required for this test
Details
This is a single-marker test measuring histamine. Whole blood histamine levels are used as a marker for methylation status and to determine the presence of histadelia or histapenia.
- Histamine, Blood
Estimated days for results: Results should arrive 7 business days after the lab receives samples.
7 business days
Before You Start
- You will not receive a kit for your blood draw.
- If you take anti-histamines, consult your healthcare provider about the timing of your test. If approved by your practitioner, anti-histamines should be stopped 21 days prior to your blood draw.
12 Hours Before Collection
- Stop taking supplements containing vitamins and minerals.
- Note that some sports and energy drinks, such as Redbull or Vitamin Water, are known to contain levels of vitamins and minerals that would classify them as supplements. Please look at the vitamin and mineral information on your products. If they are considered a supplement, like Ensure, please discontinue them 12 hours prior to sample collection.
- DO NOT discontinue prescription medication without consulting your healthcare provider.
- Fasting for 12 hours before your blood draw is recommended, but not required.
- Fasting before a blood draw means you don't eat or drink anything except water.
- Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.
Day of Collection
- Your sample must be collected by a phlebotomist at a Labcorp Patient Service Center (PSC).
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
