Preferred Sample Type
Suitable Specimen Types
- EDTA Whole Blood
4 mL of whole blood in EDTA tube, minimum volume of 0.5 mL
Sample Processing in Laboratory
Usual
Turnaround Time
3 daysSample Stability
Lymphocyte phenotyping stability has been validated up to 40 hours post venepuncture. Samples received >40 hours old will not be tested Where sample collection data is unavailable to the laboratory, validity of results is uncertain.T Lymphocyte subsets: CD3, CD4, CD8
General Information
Some indications:Secondary Immunodeficiency inc. HIV
Patient Preparation
None
Notes
Samples are not processed out of hours. Please ensure that samples collected on Friday reach the laboratory before 4pm.
Reference Range
Age DependantImmunophenotyping of blood lymphocytes in childhood reference values for lymphocyte subpopulations. Cooman-Bitter WM, de Groot R et al. J paediatrics 1997,130 pp388-393
Specifications
- EQA Scheme?: Yes
-
EQA Status:
NEQAS eqa scheme for immune monitoring