Sodium citrate tube
1.8 mL adult or 1.3 mL paediatric.
For Neonates we can prepare half volume paediatric tubes, which will require 0.65 mL blood (filled to the black line). Please contact the Coagulation Section on extension 2916 before 1600 weekdays if you require these tubes.
The tube must be filled correctly (filled to line on tube). It must be received in the laboratory on the same day.
For specific coagulation factor assay requests, please contact the laboratory
ADDITIONAL TESTS AVAILABLE
Clotting Factor inhibitor assays : Please discuss with the laboratory
Haemolysed or clotted samples cannot be tested. To avoid haemolysis and clotted samples mix tube gently by inversion, do not shake.
Patients on anticoagulants will have abnormal results.
1 hr – STAT samples
4 hr – routine samples
Clinical advice is available from the Haematology Medical team (contact RD&E switchboard on 01392 411611)Specimen Labelling Procedure