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HelpTest ID BLOD0189 Tryptase, Serum
Useful For
Evaluation of individuals with suspected mast cell activation, which may occur as a result of anaphylaxis or allergen challenge
Evaluation of patients with suspected cutaneous or systemic mastocytosis
Specimen Type
SerumSpecimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial
Additional Information: Tryptase degenerates very quickly when left in the presence of red blood cells.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 14 days | |
| Refrigerated | 7 days |
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysMethod Name
Fluorescence Enzyme Immunoassay (FEIA)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83520
Reporting Name
Tryptase, SReference Values
<11.5 ng/mL
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.
Special Instructions
Secondary ID
81608Testing Algorithm
For more information, see Mast Cell Disorder: Diagnostic Algorithm, Bone Marrow
SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 4006 | Tryptase Total |