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Order Code CH711
Turnaround Time 24 hours
Specimen Requirements
Specimen Source
Transport Container
(Specimen Container)

SST (Tiger Top)

Preferred Specimens
1 mL frozen serum
Minimum Volume (uL)
0.5 mL
Collection Instructions
(Transport Temperature)
Transport Frozen
Specimen Stability
Temperature Period
Room temperature Unacceptable
Refrigerated 7 days
Frozen 30 days
Special Instructions

Samples should be obtained between 15 minutes and 3 hours after the event suspected of causing mast cell activation. When sample is drawn, separate serum from cells within 3 hours of collection.

Test Details
Immunoassay (IA)
Clinical Significance

Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.

Reference Ranges

<11.0 mcg/L