Clínic Barcelona. Hospital Universitari

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Activated T cell populations, whole blood

Fee code: 54083

Components: The test includes the measurement of HLA-DR and CD69 expression (activation markers), as well as the expression of CD57 (immunosenescence marker) of CD4+ and CD8+ T lymphocytes.

Aliases: Activated T cells

Physician:

Alexandru Vlagea

Laboratory:

> Immunology Department

Method description

Flow cytometry

Delivery time

7 days

Note to delivery time

Requisites

The sample must arrive at the Laboratory before 14:00 on the same day of extraction. 24 hours may be acceptable but not recommended

Specimen type

Whole blood (anticoagulant: EDTA)

Specimen volume

1 mL

Specimen minimum volume

200 µL

Collection instructions

Venipuncture

Preanalytic treatment

---

Transport conditions

At room temperature

Rejection criteria

Clotted sample, Hemolyzed sample

Results

Results informed report

Reference values

Values Units   Age  
HLA-DR expression in CD4 + T lymphocytes * 2 - 6 %   0 - 3 months 
HLA-DR expression in CD4 + T lymphocytes * 2 - 10 %   3 - 6 months 
HLA-DR expression in CD4 + T lymphocytes * 2 - 11 %   6 - 12 months 
HLA-DR expression in CD4 + T lymphocytes * 2 - 11 %   1 - 2 years 
HLA-DR expression in CD4 + T lymphocytes * 3 - 12 %   2 - 6 years 
HLA-DR expression in CD4 + T lymphocytes * 3 - 13 %   6 - 12 years 
HLA-DR expression in CD4 + T lymphocytes * 4 - 11 %   12 - 18 years / Adults 
HLA-DR expression in CD8 + T lymphocytes * 2 - 20 %   0 - 3 months 
HLA-DR expression in CD8 + T lymphocytes * 3 - 17 %   3 - 6 months 
HLA-DR expression in CD8 + T lymphocytes * 4 - 27 %   6 - 12 months 
HLA-DR expression in CD8 + T lymphocytes * 6 - 33 %   1 - 2 years 
HLA-DR expression in CD8 + T lymphocytes * 7 - 37 %   2 - 6 years 
HLA-DR expression in CD8 + T lymphocytes * 6 - 29 %   6 - 12 years 
HLA-DR expression in CD8 + T lymphocytes * 5 - 25 %   12 - 18 years / Adults 
CD69 expression in CD4 + T lymphocytes %    
CD69 expression in CD8 + T lymphocytes %    
CD57 expression in CD4 + T lymphocytes %    
CD57 expression in CD8 + T lymphocytes %    

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Biomedical Diagnostic Center (CDB)

Villarroel, 170 · 08036 Barcelona
Tel: +34 93 227 54 64 · Fax: +34 93 227 98 75 · · www.hospitalclinic.org