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

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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