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Histamine, timed urine

Lab Section:  Sendout Reference  
Lab Location:  Sendout
Reference Lab: Quest 
Test ID: LAB3099 
Methodology: Immunoassay (IA)
Schedule: Daily
Reported: 7 days
Specimen Requirements:  Collection: 5.0 mL Urine in a 24 Hr Urine Container.
Pediatric volume: 2 mL.
Avoid direct sunlight. Avoid taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours before specimen collection. Submit a 24-hour urine specimen, preserved with 10 mL 6N HCl.
Transport: Refrigerated (cold packs).
Handling: 5 mL urine from a 24-hour collection containing 10 mL 6N HCl. Write total 24-hour volume on the container and the test requisition.
Unacceptable conditions: Moderate or gross hemolysis
Stability: Ambient: 48 hours; Refrigerated: 14 days; Frozen: 14 days


Clinical Indications: 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.

Obtain container from Chemistry Laboratory 688-2444

Reference Interval:  See patient report or consult reference laboratory website.
CPT Code(s): 83088
Last Changed: 11/09/2016 14:03:40
Last Reviewed: 12/22/2016 01:40:26