Turnaround times
The quoted turnaround time is from sample receipt in the laboratory, to results authorisation in the Laboratory Information Management system. The times do not include transport of specimen to the laboratory or the administrative process to print and post/email reports. Service users must allow for transport and reporting time when ordering tests.
Clinical background:
Use of B cell phenotyping in the investigation/monitoring of immunodeficiency should be discussed with the appropriate immunologist (adult or paediatric).
Specimen container paediatric:
Whole blood-EDTA
Specimen container adult:
Whole blood-EDTA
Minimum volume paediatric:
0.5 ml
Minimum volume adult:
4 ml
Special requirements:
Note that samples should be received in the laboratory no later than 3pm on a Friday. Later arrivals will not be processed. Samples should be kept at room temperature.
Availability:
B cell phenotypes are run daily Monday to Friday 09:00-15:00
Freq analysis:
Daily
Add on test:
Use the contact details below to discuss if an add-on is required
Interpretation:
Samples that are clotted or over 2 days old will not be processed. Test may not be possible on patients with low B cell numbers.
Reference ranges:
Not supplied
Other info:
This test is usually done in conjunction with lymphocyte surface markers, in which case a separate sample is not required. The following markers are included: CD19, CD27 and IgD. Samples should ideally be tested as fresh as possible. Keep at room temperature at all times. Samples should arrive in the laboratory no later than 15:00 on a Friday. Samples arriving later than this will not be processed. Test may not be possible on patients with low B cell numbers.