Tryptase

Department

Immunology

Delphic Registration Code

TRYP

Synonyms

Mast cell tryptase

Turnaround Time

2 weeks

Test Code

7077

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• Serum (Red Cap)
• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Green Cap)
• EDTA (Lavender Cap)

Preferred Sample Volume (ml)

1

No of Samples Required

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Green Cap)
• EDTA (Lavender Cap)

Preferred Sample Volume (ml)

0.5

Additional Specimen Information

Take sample 1-2 hours after an anaphylactic reaction.
A second sample taken 24 hours after reaction should also be sent to confirm tryptase level has returned to baseline.
Citrate is not acceptable.

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.2

Transport to Lab

Ambient (8 - 24 degrees Celsius)

Additional Referral/Aliquot Information

200 uL serum or plasma (Minimum requirement) 1 mL serum or plasma (Preferred volume)

Reference Intervals

<11.4ug/L – within normal limits

>11.4ug/L – indicative of mast cell activation

Test Method

Phadia Cap 250

Non-Funded Test Cost

$113.71 (Exclusive of GST)

Billing Code

7077

Contact Information

Enquiry Form