Specimen Requirements


Histamine, Plasma

Specimen Requirement

Collect a pre-chilled lavender EDTA on ice, centrifuge within 20 minutes, transfer 1.0 mL plasma to a screw top plastic vial, indicate sample type on tube and send on dry ice.

Critical frozen.


Enzyme Immunoassay


Room temp: Unacceptable, Refrigerated: 6 hours, Frozen: 6 months

Reference Range

The reference range is determined by the performing laboratory and will show on the report.


3-8 days performed Tuesday, Saturday

Clinical Use

Aid in evaluation of patient with allergic signs and symptoms, such as anaphylaxis; may assist in diagnosing and monitoring of mast-cell activation disorders.

Test Code