Histamine, Urine (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
- Avoid taking allergy causing drugs, antihistamines, oral corticosteroids, and substances which block H2 receptors for at least 24 hours prior to specimen collection
Specimen Information
Specimen types accepted
- Urine
Specimen collection container
- Preferred collection container: 24 Hour Urine Jug
Collection procedure
- See instructions for 24 hour urine collection
- Collect 24-hour urine without preservative
Required volume
- Optimal volume: Submit 4.0 mL aliquot
- Minimum volume: 2.0 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- Frozen: 14 days
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Clinical interpretation
- 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.
Performance
Methodology
- Immunoassay
Days/times performed
Availability |
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Testing site |
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Maximum laboratory time
- 3-10 day turnaround time by testing laboratory
Last Updated: October 9, 2024