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Laboratory Medicine

Test Directory / HLA B27

HLA B27

EDTA X 1

TestHLA B27
Common Abbreviations
Specimen typeBlood
Sample typeBlood
Tube typeEDTA X 1
Minimum volume *4.9 ml
Special precautionsStore at room temperature
Stability**up to 72 hrs
Turnaround times6 weeks – contact laboratory if needed sooner.
LaboratoryTissue Typing Laboratory, St. James University Hospital, Leeds
Reference interval
LimitationsSamples referred to Tissue Typing Laboratory, St. James University Hospital, Leeds Haemolysis and lipaemia may affect results
** For paediatric patients, smaller volumes (approximately 1 ml) are acceptable – please contact the laboratory for further advice if necessary.
**** Largely dependent on patients serological status and recent transfusion history
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Maternity access at York Hospital - Saturday 22 February

On Saturday 22 February, 8am-6pm, there will be a temporary change of vehicle access to the maternity unit at York Hospital. Access via entrance 2 will be closed to allow essential works to be completed. 

If you are attending the maternity unit at York on this day, please drive in via the entrance for A&E (marked blue light priority).

The multi-storey car park will not be affected by this change, and any non-urgent visitors should continue to park in this area.