Pathology

Test & Collection Guide

Mast Cell - Tryptase

Ordering information:

For investigation of anaphylaxsis send both acute (e.g. initial ED bloods) and follow up (e.g. after clinical improvement) samples if possible.

Alternate names:

Tryptase

Laboratory:

Referred Test

Test Code:

TRYPT

Specimen types:

Serum

Container types:

Serum tube with gel

Collection Instructions:

Stable 48 hours refrigerated, transport frozen if unable to ensure delivery of sample to the Alfred within 48 hours of collection. .

Notes:

Increased level of tryptase can normally be detected up to 3 to 6 hours after the anaphylactic reaction. Levels return to normal within 12-14 hours after release.

Frequency:

Weekly

Reference Interval:

< 15.0 ug/L

Laboratory Use Only

Storage Instructions:

Spin, separate and freeze serum if unable to ensure delivery of sample to the Alfred within 48 hours of collection. .

External Laboratory:

Alfred Hospital

External Laboratory details...