CD40 expression


CD40 expression

Request a test

When requesting this test please use the referral form provided. Please also refer to any additional information provided for this test. Download the referral form >

Additional information

A control sample is required. Samples that are suspected of deficiency or abnormal will be activated for genetic analysis.

Sending address

Immunology Department
Level 4, Camelia Botnar Laboratories
Great Ormond Street Hospital
Great Ormond Street

Laboratory service


Sample requirements

1 ml EDTA

Reference range

Reported as Normal or Abnormal

Turnaround time

7 days

Disease / group

autosoaml recesssive hyper IgM syndrome, PID


Upon request

Call in advance?

Please call in advance to ensure appropriate testing is performed.


The Clinical Immunology Laboratory at GOSH provides a dedicated paediatric immunology service, supported by an expert scientific and clinical team.

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