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Laboratory Medicine

Test Directory / Factor XIII

Factor XIII

Citrate Plasma

TestFactor XIII
Common Abbreviations
Profile
Clinical IndicationReduced FXIII levels may occur in congenital FXIII deficiency, as an acquired deficiency or through unregulated activation of coagulation as in a consumption coagulopathy
Specimen TypeBlood
Sample TypeCitratrated Plasma
Minimum Volume0.5 ml platelet poor plasma
Special PrecautionsA fibrinogen result is required on the same venepuncture before FXIII activity can be measured. This can be provided by requesting or referral laboratory.
Stability4-6 hours
Turnaround Time10 days
LaboratoryRoyal Hallamshire Hospital, Sheffield
Reference IntervalReference interval indicated on report
LimitationsThe accuracy of all coagulation tests is greatly influenced by pre analytical variables. It is essential that sample quality is given the highest of priorities. Samples which fail to meet quality criteria including age of sample, specimen fill (>90%), haemolysed, clotted or activated samples will be rejected and a repeat sample requested
Additional Information
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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.