Home
HelpTest Code LAB827 Tryptase, Serum
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Tryptase, SSpecimen 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 Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 14 days | |
| Refrigerated | 7 days |
Specimen Minimum Volume
0.2 mL
Special Instructions
Day(s) Performed
Monday through Friday
Specimen Retention Time
14 daysReport Available
2 to 5 daysReference Values
<11.5 ng/mL
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
Testing Algorithm
For more information, see Mast Cell Disorder: Diagnostic Algorithm, Bone Marrow
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 |
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.