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Tryptase
MessageSAMPLES SHOULD BE OBTAINED BETWEEN 15 MINUTES AND 3 HOURS AFTER THE EVENT SUSPECTED OF CAUSING MAST CELL ACTIVATION.
Test Code
34484
Alias/See Also
LAB827
TRYP
TRYP
CPT Codes
83520
Preferred Specimen
1 mL frozen serum
Minimum Volume
0.5 mL
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.
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Immunoassay (IA)
Setup Schedule
10: 00 a. M. Tue, thu, sat
Report Available
1-4 days
Reference Range
<11.0 mcg/L
Clinical Significance
Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 27027 Tourney Road |
| Valencia, CA 91355-5386 |