Histamine, Plasma
Test Code
36586
83088
Clinical Significance
Histamine, Plasma - 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.
Test Resources
None found for this test
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Test Details
Avoid taking allergy causing drugs, antihistamines, oral corticosteroids and substances which block H2 receptors 24 hours prior to collection.
Methodology
Enzyme Immunoassay (EIA)
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.
Reference Range(s)
≤1.8 ng/mL
Preferred Specimen(s)
1 mL plasma collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Collection Instructions
Centrifuge immediately and freeze in transport tube
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
- Room temperature: 24 hours
- Refrigerated: 24 hours
- Frozen: 7 days
Reject Criteria
Hemolysis • Lipemia • Received room temperature • Received refrigerated
Setup Schedule
1 mL plasma collected in an EDTA (lavender-top) tube
0.5 mL
Centrifuge immediately and freeze in transport tube
Transport tube
Frozen
Room temperature: 24 hours
Refrigerated: 24 hours
Frozen: 7 days
Refrigerated: 24 hours
Frozen: 7 days
Hemolysis • Lipemia • Received room temperature • Received refrigerated