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
NotesSpecial 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.