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Lab Manual for Moffitt-Long and Mount Zion

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Histamine, plasma

Item Value
Approval req'd? No
Available Stat? No
Test code HIST
Test group Histamine
Performed by Quest
Sendout? Yes
Method Enzyme immunoassay
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.
Units ng/mL
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.
CPT coding 83088-90
LOINC code 2416-6
Last Updated 3/7/2011 2:14:53 PM
Entry Number 501

If you have additional questions regarding this test, please call: 415-353-1667

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