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Tryptase (Sendaway Test)

Alternative Names:Mast cell tryptase
Laboratory:Haematology
Test Code:TYT
Medicare rebatable:Yes
Registration Instructions:

Separated serum can be stored at 4oC for 48 hours for transport between labs. For longer periods samples must be frozen and transported frozen.

Specimen Types:Serum
Container Types:
SSTSST
Adults Volume or Mass:6 mL
Minimum/Paediatric Volume or Mass:2 mL
Collection & Request Instructions:

The sample should be collected between 15 minutes and 3 hours after the suspected anaphylactic event. Increased levels 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.

This test can be performed on patient that do not have allergies.

Transport Instructions:Send to lab immediately

.

Processing Instructions:Centrifuge
Aliquot
Freeze Immediately

aliquot and freeze without delay.

Assay Frequency:Weekly
External Laboratory:The Alfred Pathology Service (APS)
  External Laboratory details...
External Transport Instructions:Send Frozen on Dry Ice