Measure total tryptase to confirm 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.
- Patient Preparation
- Serum separator tube.
- Specimen Preparation
- Allow serum to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
- Storage/Transport Temperature
- Unacceptable Conditions
- After separation from cells: Ambient: 48 hours; Refrigerated: 72 hours; Frozen: 1 month
|Component Test Code*||Component Chart Name||LOINC|
- Total Tryptase
- Tryptase, Autopsy (Tryptase)