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Anti-CD3 & Anti CD3/CD28

Test Code:



Specimen Container

Sodium heparin tube
(To be obtained from DPLM Client Services)

Specimen Requirement

Whole blood
Age up to 2 years old: 3 – 5 mL
Age 2 years old and above: 10 mL

Between 8.00 am to 9.00 am on Monday and Friday only, collect:
1) 3 – 5 mL or 10 mL of fresh blood from patient and
2) 10 mL of fresh blood from a healthy adult to be used as a control

* Specimen is not to be collected on Tuesday to Thursday, Saturday, Sunday, eve of public holidays and public holidays.
* Specimen is not to be collected if a PH falls within the week due to test setup.

Contact NUH Paediatric Allergy and Immunology Laboratory at 6601 3306 to make an appointment.

Specimen Storage / Transport

Keep specimen at room temperature. DO NOT send on ice or refrigerant. Despatch to KKH DPLM Client Services as soon as possible as blood must reach NUH Paediatric Allergy & Immunology Lab by 12 noon.



Orderable as STAT?


Turn Around Time

​1 week

Reference Value(s)

Testing Laboratory Location



Paediatric Allergy & Immunology

Contact Number

6394 1352

Day and Time Performed

Monday and Friday only, between 8 to 9 am, except for Public Holidays and eves of Public Holiday.

Orderable on CPOE?


Downtime Form

Additional Information

To call DPLM Client Services at extension 1352 for arrangements prior to blood collection.

Change History Notes



Anti-CD3 & Anti CD3/CD28 IM0063

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