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ID:886 Factor VII Assay
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DescriptionOne stage factor assay for FVII
IndicationTo investigate bleeding tendency and to monitor patients with FVII deficiency.
Additional InfoUses a Prothrombin Time based clotting method to perform a one stage assay. This assay can be modified to measure recombinant FVIIa (Novoseven) treatment
Concurrent TestsCoagulation Screen
Dietary Requirementsna
InterpretationReported against a normal range

DepartmentSpecialist Laboratory Medicine
Tube Picture
Collection ConditionsCorrectly filled citrate tubes. 1 for single factor assay, 2 for multiple factor assays.
Min. Vol

Ref. Range (Male)50 - 150
Ref. Range (Female)50 - 150
Ref. Range (Paed)See comment
Ref. Range NotesFor paediatric reference ranges please refer to BJH Guideline 2002, 119, 295-309, The Investigation and Management of Neonatal Haemostasis and Thrombosis Critical telephone values: Any abnormal factor assay with clinical details: bleeding. Factor assys less than 10% (unless on a patient known to have a factor deficiency)
IP Acute TAT- Contact Laboratory
IP Routine TAT5 days
GP Acute TAT- Contact Laboratory
GP Routine TAT5 days
Turnround CommentThe test may be referred externally in certain circumstances to: Haematology Department Royal Hallamshire Hospital Glossop Road Sheffield S10 2JF

Originally edited by : RJAR. Review due on 18/06/2019 10:33:09. Published By RJAR on 18/06/2018 10:33:09.