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Tryptase
MessageThis test is currently only available in BHS CPRS. If you are a Bedford provider and wish to see this test offered in Bedford CPRS- please contact the Bedford Laboratory.
Testing performed at Quest Diagnostics.
Testing performed at Quest Diagnostics.
Test Code
TRYPTASE(O)
CPT Codes
83520
Preferred Specimen
1 mL frozen serum, received spun
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
Set up: Mon-Sat; Report available: 1-2 days
Reference Range
<11.0 mcg/L
Clinical Significance
Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.
Last Updated: December 19, 2016
