Imperial Collage Healthcare

Factor assays II, V, VII, VIII, IX, X, XI, XII, XIII, high molecular weight kininogen, prekallikrein, collagen binding assay


Clinical Indications
By approval of Consultant Haematologist only


Sample Required
3 x 4.5 mL sodium citrate (pale blue top) adults3 x 1.8 mL sodium citrate (pale blue top) paediatrics


Sample Volume
One tube is enough if only a specific factor assay is required.


Turnaround Time
10-14 days


Notes
Special handling: avoid prolonged stasis during venepuncture. Sample must be received by lab within 4 hours of collection. Please note: samples will be rejected if underfilled or overfilled.

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