Notification of anticoagulant therapy is essential
One (1x) Sodium citrate tubes is required. Do not use 1 ml citrate tubes.
Filled to label marker and mixed by inversion
The patient must not be receiving heparin
Unspun sample is stable for up to 4 hours and must be transport to laboratory immediately. (Sample must be double spun, aliquoted and frozen within 4 hours from time of collection).
Tests performed:
INR, APTT, APTT Mix, Silica Clotting Time and Dilute Russell's Viper venom time (LA screen/Confirm).
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