CD4:CD8 Ratio
Description:
Flow cytometry for HIV immune monitoring, CD3, CD4, CD8 counts. Test for internal HIV clinic (Harrison Wing) only. All other senders will be requested as 'Lymphocyte subset analysis'
Clinical details:
HIV, CD4 count
Reference range:
Dependent on age. Available on request and on each results report.
Synonyms or keywords:
T4T8, CD4 count, CD4:CD8 ratio, immune monitoring, HIV
Department:
Location:
Sample type and Volume required:
Whole Blood EDTA. Minimum sample volume 1mL.
Turnaround time:
2 working days. Urgent analysis available upon request, please contact the laboratory.
Special sample instructions:
Test for internal HIV clinic (Harrison Wing) only. All other senders will be requested as 'Lymphocyte subset analysis'
Storage and transport:
Store and transport samples at ambient temperature, do not refrigerate. Samples ≥48hrs old are unsuitable for analysis.
Contacts:
Flow Cytometry/Immunophenotyping Laboratory at Guy's and St Thomas' Clinical Advisory Service
Guy's Hospital
Monday - Friday 9:00 - 17:00
4th Floor – Southwark Wing
Great Maze Pond
London SE1 9RT
Telephone – 020 7188 2709
St Thomas’ Hospital
Monday – Friday 09:00 – 17:00
5th Floor – North Wing
Westminster Bridge Road
London SE1 7EH
Telephone – 020 7188 3421
Flow Cytometry/Immunophenotyping Laboratory at Guy's and St Thomas' Clinical Advisory Service
Monday – Friday 09:00 – 17:00
Haematology:
Natalia.Curto-Garcia@gstt.nhs.uk
Jennifer.OSullivan@gstt.nhs.uk
Hugues.DeLavallade@gstt.nhs.uk
Histopathology:
Anna.Green@gstt.nhs.uk
Yurina.Miki@gstt.nhs.uk
Mark.Ong@gstt.nhs.uk
Platelet Glycoprotein:
Aine.McCormick@viapath.co.uk
Oliver.M.Galvez@gstt.nhs.uk
Flow Cytometry/Immunophenotyping Laboratory at Guy's and St Thomas' Technical Advisory Service
Monday – Friday 09:00 – 17:00
Oliver.M.Galvez@gstt.nhs.uk
Yvonne.Daniel@gstt.nhs.uk
Monday - Friday 9:00 - 17:00
4th Floor – Southwark Wing
Great Maze Pond
London SE1 9RT
Telephone – 020 7188 2709
St Thomas’ Hospital
Monday – Friday 09:00 – 17:00
5th Floor – North Wing
Westminster Bridge Road
London SE1 7EH
Telephone – 020 7188 3421
Flow Cytometry/Immunophenotyping Laboratory at Guy's and St Thomas' Clinical Advisory Service
Monday – Friday 09:00 – 17:00
Haematology:
Natalia.Curto-Garcia@gstt.nhs.uk
Jennifer.OSullivan@gstt.nhs.uk
Hugues.DeLavallade@gstt.nhs.uk
Histopathology:
Anna.Green@gstt.nhs.uk
Yurina.Miki@gstt.nhs.uk
Mark.Ong@gstt.nhs.uk
Platelet Glycoprotein:
Aine.McCormick@viapath.co.uk
Oliver.M.Galvez@gstt.nhs.uk
Flow Cytometry/Immunophenotyping Laboratory at Guy's and St Thomas' Technical Advisory Service
Monday – Friday 09:00 – 17:00
Oliver.M.Galvez@gstt.nhs.uk
Yvonne.Daniel@gstt.nhs.uk
Last updated: 29/09/2022
