Tryptase
| Abbrev Code: | TRYP | ||
| Order Code: | LAB8004 | Order Name: | Tryptase |
| Synonyms: | Total Tryptase | ||
| Methodology: | FEIA (by ImmunoCAP) | ||
| CPT Codes: | 83520 x1 | ||
| 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) Alternate Containers: 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 | UM Specialty Core/Prot/Endo (Phadia Allergens F) |
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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