Last Modified:
5/4/2021 6:51:03 AM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
1.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:
Samples should be obtained between 15 minutes and 3 hours after the event suspected of causing mast cell activation.
Separate serum from cells within 3 hours of collection.
Minimum Volume:
0.5 mL Serum
Transport & Storage: Temperature/Stability:
7 days Refrigerated
30 days Frozen (transport)
Rejection Criteria:
Hemolysis • Postmortem sample
Reference Range:
<11 ng/mL
Critical Ranges:
Test Comments:
Methodology:
FEIA
Clinical Significance:
Tryptase concentrations are increased with immediate hypersensitivity (anaphylaxis), acute allergen challenge, and mastocytosis.
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
2 to 3 days
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Valencia
PHL Test Code:
TRYP
EPIC Test Code:
LAB827
Send Out Test Code:
34484
Included Tests:
CPT Coding:
83520
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