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Lymphocyte functions

Category Immunology
Test background

The immune system is dependent on adequate numbers of functionally competent cells to protect the body from invading micro-organisms. A variety of tests are available but, before selecting these, exclude cytopenia with a full blood count and differential. The tests are divided into two panels, mitogens and antigens.

Clinical Indications

Suspected immunodeficiency

Reference range

See report

Sample & container required 10-20 mL heparin (green top) for adults; 5-10 mL heparin (green top) for children; Do not separate or refrigerate; Test within 24 hours
Sample volume See above
Turnaround time 10 days

Test must be pre-arranged with Charing Cross Laboratory on ext. 10130. Not performed for HIV positive patients. Not currently performed in house; this test is referred to the Camelia Botnar Laboratories at Great Ormond Street Hospital, London.

Samples must be accompanied with blood from a normal healthy control. Samples must be <24 hours old on receipt and can only be accepted Monday to Thursday. Please contact the lab to arrange.