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Histamine, Blood, Quant
MessageQuest Diagnostics test code: 36586
Test Code
Z1641
Alias/See Also
LAB3000470
CPT Codes
83088
Preferred Specimen
1 mL plasma collected in an EDTA tube (lavender-top)
Patient Preparation
Avoid taking allergy causing drugs, antihistamines, oral corticosteroids and substances which block H2 receptors 24 hours prior to collection.
Minimum Volume
0.5 mL
Instructions
Centrifuge immediately and freeze plasma in plastic screw-cap vial.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 24 hours
Refrigerated: 24 hours
Frozen: 7 days
Refrigerated: 24 hours
Frozen: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis
Lipemia
Received room temperature or refrigerated
Lipemia
Received room temperature or refrigerated
Methodology
Enzyme Immunoassay (EIA)
Setup Schedule
Tuesday; Friday
Report Available
2 to 6 days
Reference Range
See Patient Report for Reference Range and/or Interpretation of Results
Clinical Significance
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.
Performing Laboratory
Quest Diagnostics
San Juan Capistrano, CA
