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 |
| Notes | 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. |