Allergen Specific IgE Tests (Blood) (RAST)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Refer to Testing Lab link

Delphic Registration Code (Alpha Code)

RAST

Test Code (Numeric Code)

7376

Synonyms

IgE Specific allergen antibodies,
RAST (Allergen specific IgE antibodies),
ssIgE,
spIgE,
sp IgE,
Pholcodine Specific IgE

Specimen Type

• Plasma
• Serum

Specimen Requirements

Tube/Container Type:

Preferred

• SST II (Gold Cap)

Preferred if Waitākere

• SST II (Gold Cap)

Acceptable

• EDTA (Lavender Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Plain (Red Top)

Preferred Sample Volume (ml)

8

Minimum Sample Volume (ml)

2

Collection instructions:
Clinical details are essential
Please ensure that all allergens that require specific IgE testing are listed on the request form
Paediatric: min. volume = 500 uL blood for one alergen. Every additional allergen requires further 100 uL

Will only be performed if ALP > 200.

Laboratory instruction:
Record allergens required in clinical details at registration.
Send with copy of request form.

NOTE:
If Aspergillus RAST requested code as ASPE (not RAST) and send to LabPlus. If Total IgE is requested, Send 1 SST/Heparin sample to NSH as Total IgE is not part of the routine Aspergillus IgE anymore.

Contact Information