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Lab Manual for Moffitt-Long and Mount Zion

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Histamine, urine

Item Value
Approval req'd? No
Available Stat? No
Test code HISTU
Test group Histamine
Performed by Quest
Sendout? Yes
Method Radioimmunoassay
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 Refrigerate specimen during collection. Protect sample from light
Container type Brown 24 hour urine collection container

Click here for Urine Preservative Requirements
Amount to Collect Entire 24 hour urine output
Sample type 24 hour urine collection
Preferred volume 10 mL urine
Min. Volume 2 mL urine
UCSF Rejection Criteria Container not refrigerated during collection or not protected from light
Processing notes Process immediately. Aliquot 10 mL. Record total volume on both test request form and specimen container. Transport refrigerated. Order Quest # 6825N
Units mg/24 hours
Normal range
Normal 0.006 - 0.131 mg/24 hours
Stability Room temperature 2 days, refrigerated 2 weeks, frozen at -20C 2 weeks.
Turn around times Set up 2x per week. TAT 8-10 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 82570-90, 83088-90
LOINC code 9410-2
Last Updated 3/24/2013 7:49:22 PM
Entry Number 502
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