Serum Tryptase
| About This Test |
|
Department: Immunology Requirement: Record time of onset of reaction Serum sample should be taken ideally immediately, then 1-3 hours and 6-24 hours after reaction began. Provide any details of suspected allergens (contact within 1 hour prior to reaction) Turnaround Time: Single result 8 days Full report 20 days |
High levels are associated with anaphylaxis, that resolves within 24 hours. Persistently raised tryptase levels are associated with the elderly and mastocytosis.
Other Comments:
Basal levels are in the range of 2 to 14ug/L, with peak levels of more than 40ug/L being associated with anaphylaxis.