Tryptase
| Sunquest Code: | TRYP | ||
| Epic Code: | LAB8004 | Epic Name: | Tryptase |
| Synonyms: | Total Tryptase | ||
| Methodology: | FEIA (by ImmunoCAP) | ||
| Turnaround Time: | Testing is performed 1-2 times per week; results are reported within 4 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red or gold (gel) (Green (lithium heparin, no gel), Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel)) |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store refrigerated. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 2 days at room temperature; 1 week refrigerated; indefinitely frozen. |
| Test Performed at or Referral Lab | Endocrine (UMMC-East Bank) |
Interpretive
| Reference Range: | Less than 11.0 ug/L |
| Use: | Aids in confirmation of mast cell activation in diseases such as mastocytosis, anaphylaxis, urticaria, and asthma. Not generally used acutely except where diagnosis is unclear. Useful in prognosis of systemic mastocytosis. |
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