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Tryptase, Serum

Additional Codes

Primary ID

Epic Code

Mayo Test ID

TRYPTS

LAB827 TRYPT

 

Reporting Name

Tryptase, S

Useful For

Assessing mast cell activation, which may occur as a result of anaphylaxis or allergen challenge

 

Assessing patients with systemic mastocytosis or mast cell activation syndrome

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred) 14 days
  Refrigerated  7 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

<11.5 ng/mL

Day(s) and Time(s) Performed

Monday through Friday; 9 a.m. and 1 p.m.

CPT Code Information

83520

LOINC Code Information

Test ID Test Order Name Order LOINC Value
TRYPT Tryptase, S 21582-2

 

Result ID Test Result Name Result LOINC Value
TRYPT Tryptase, S 21582-2

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Analytic Time

1 day

Specimen Retention Time

14 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.