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Department

Immunology

Preferred Sample Type

Lymphocyte subsets: T, B and NK cells

Suitable Specimen Types

  • EDTA Whole Blood
4 mL EDTA blood ( minimum volume 0.5 mL)

Sample Processing in Laboratory

Usual

Turnaround Time

3 days

Sample 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.

Lymphocyte subsets: T, B and NK cells

General Information

Some indications: Primary Immunodeficiency

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 Dependant

Immunophenotyping 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 CD3,CD4,CD8 CD19 and CD16/56 markers