Tryptase

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General Information

Lab Name
Tryptase
Lab Code
TRYPT
Epic Ordering
Tryptase
Description

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.

Synonyms
RTRYPT
Components

Interpretation

Method

Quantitative ImmunoCAP Fluorescent Enzyme Immunoassay

Reference Range
See individual components
Guidelines

Ordering & Collection

Specimen Type
Blood
Collection

Preferred: 3 mL blood in RED TOP or GOLD SST tube
Also Acceptable: GREEN TOP (Na Heparin), PST, LAVENDER TOP tube

Handling Instructions

Samples are stable at 2-8 deg C for 1 week. Shipping specimens at room temperature (18 °C to 32 °C) for up to 2 days is also acceptable. For longer term stability, freezing samples at -20 deg C is recommended.

Quantity
requested: 1.5 mL
minimum: 0.25 mL

Processing

Processing

Refrigerate serum/plasma. Freeze serum for long term storage.

Performance

LIS Dept Code
Immunology (IMM)
Performing Location(s)
UW-MT Immunology
206-520-4600

Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195

Frequency
Monday - Friday
Available STAT?
No

Billing & Coding

CPT codes
83520
LOINC
21582-2
Interfaced Order Code
UOW3219