Tryptase

Test Name
Tryptase
Aliases
Provincial Mnemonic
TRYPT
LOINC Test Code
21582-2
Description and Primary Use
Used to confirm anaphylaxis or investigate suspected macrocytosis. Levels peak at 1h post episode and normally persist for <6h. Acceptable samples are drawn within 6h of onset of symptoms.
Reorder interval
N/A
TAT
Not Available
Test Cost
$54
Tier
2 - Conditional/Restricted Access (See Ordering Requirements)
Ordering Requirements (Restrictions / Conditions)

Approval requires test order:

1) by Allergist/Immunologist; or

2) with completion of LTSA form.

Enter test name (and/or Provincial Mnemonic) into Test(s) to be performed section on the LTSA Form. Direct questions on how to order test to Specimen Dispatch (709-777-2373).

Required Consultations
Algorithms and Guidelines

N/A

Special Patient Preparation

None

Special Collection / Transport / Processing Requirements

Separate serum from cells ASAP or within 2 hours of collection. Store and ship frozen.

Criteria for Rejection

None

Laboratory Service Area
Clinical Chemistry
Performing Laboratory / Site
Referred out of province
Last Updated
29-May-19