Laboratory Services

Tryptase

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Updated Test Information:

Test Description
Tryptase
Synonym(s)

TRYPT, RTRYPT, UOW3219

Test ID
TRYPT
General Information

Useful for assessing mast cell activation (which may occur as a result of anaphylaxis or allergen challenge or anaphylactoid reactions) and for assessing patients with systemic mastocytosis or mast cell activation syndrome.

Container Type

3 mL blood in RED TOP or GOLD SST tube

Specimen Type

Serum

Specimen Requirements

1.5mL serum

Alternate Specimen Type

GREEN TOP, PST, LAVENDER TOP tube

Specimen Collection / Processing Instructions

Samples are stable at 2-8 deg C for 1 week. Controlled room temperature shipping is also acceptable. However for longer term stability, freezing samples at -20 deg C is recommended.

Minimum Sample Volume

0.25mL

Stability

Refrigerated (preferred): 7 days

Methodology

Quantitative ImmunoCAP Fluorescent Enzyme Immunoassay

Estimated TAT

1-5 days

Testing Schedule

Monday - Friday

CPT Code(s)

83520

Reference Range

0-12 ng/mL

STAT Orderable (Y/N)

N

Performing Lab

University of Washington

LOINC Code(s)

21582-2