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CD19 and CD20 monitoring

Blood Sciences Test


Specimen

EDTA Blood

Special Instructions

None

Factors affecting results

Clotted samples cannot be tested

Reference Range

LYMPHOCYTE SUB-SET NORMAL RANGES

In Cells/uL

Age CD19

Birth –

1 week

40 – 1100
1 week –  9 months 600 – 3000
9 months -2 years 600 – 3100

2 year-

10 years

200 – 2100
10 years -16 years 200 – 600
16 years -50 years 70 – 650
50 years -110 years 60 – 500

Test Usage

To quantify B-cells in patients being treated with Rituximab

Turnaround time

2 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
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A UKAS Accredited Medical Laboratory

8210

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