Blood Sciences Test


Immune Monitoring (CD4 quantification)

Specimen

EDTA Blood

Special Instructions

None

Factors affecting results

Clotted samples cannot be tested

Reference Range

Age CD3+ CD3/CD4+ CD3/CD8+
Neonatal 600-5000 400-3500 200-1900
1 week – 2 months 2300-7000 1700-5300 400-1700
2-5 months 2300-6500 1500-5000 500-1600
5-9 months 2400-6900 1400-5100 600-2200
9-15 months 1600-6700 1000-4600 400-2100
15-24 months 1400-8000 900-5500 400-2300
2-5 years 900-4500 500-2400 300-1600
5-10 years 700-4200 300-2000 300-1800
10-16 years 800-3500 400-2100 200-1200
Adults 700-2100 300-1400 200-900

Reference: Comans-Bitter et al, 1997

Test Usage

Monitoring of T-cell subsets in patients with a positive HIV diagnosis

 

Turnaround time

3 days

Availability

In House

 Clinical Advice

Clinical advice is available from the Immunology Medical Team at Derriford Hospital

T: 01752 431675

E: plh-tr.eden@nhs.net

Please note this assay is not UKAS accredited

Specimen Labelling Procedure