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|Patient Preparation||Patient should avoid taking allergy causing drugs, antihistamines, oral corticosteroids and substances which block H2 receptors 24 hours prior to collection.|
|Collection Instructions||Avoid hemolysis.|
|Container type||Lavender top|
|Amount to Collect||2 mL blood|
|Sample type||EDTA plasma|
|Preferred volume||1 mL plasma|
|Min. Volume||0.5 mL plasma|
|UCSF Rejection Criteria||Hemolyzed|
|Processing notes||Centrifuge immediately and freeze in plastic vial at -20C. Transport frozen to China basin. Order Quest # 36586X|
|Ref Lab Rejection Criteria||Thawed, refrigerated or room temperature sample.|
|Normal range||0.1-1.8 ng/mL
|Stability||Room temperature and refrigerated 1 day, frozen at -20C 1 week.|
|Turn around times||Set up 2x per week. TAT: 6-8 days|
|Additional information||Histamine is a mediator of the allergic response. Histamine release causes itching, flushing, hives, vomiting, syncope, and even shock. In addition, some patients with gastric carcinoids may exhibit high concentrations of Histamine.
This test was performed using a kit that has not been approved or cleared by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics Nichols Institute.
This test should not be used for diagnosis without confirmation by other medically established means.
|Last Updated||3/7/2011 2:14:53 PM|