Sodium Citrate 1.8 mL Paed (Clear/Pale Blue Inner)
Blood
1.0 mL
Sodium Citrate 1.0 mL Neonate (Pale Blue Top)
COLLECTION NOTES
Accurate filling of specimen tube essential. Specimens must be transported at room temperature to the Laboratory in a red specimen bag ASAP. (Maximum delay to testing laboratory must not exceed 2hrs) * If several factor assays are requested, e.g. VIII, IX, XI, and XII, 3 x sodium citrate tubes are required for an adult and 2 tubes for a child.
GENERAL NOTES
Factor XII deficiency does not cause a bleeding tendency. Various anecdotal reports describing an association between F XII deficiency and spontaneous abortion, premature delivery, arterial and venous thrombosis, myocardial infarction, and pulmonary embolism have been published, but a definite cause-and-effect relationship has not been proven.
