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Sodium Citrate Plasma
Two tubes – 4.5 ml Sodium Citrate 3.2% Blue stopper tube
4 ml plasma Min: 2.0 ml
• If Plasma is removed, must be stored in Plastic tubes. • Will only be performed if PTT is abnormal.
Specimen Processing Instructions
Centrifuge at 3380 rpm’s (±100) for 5 minutes. If not performed immediately, remove plasma into a plastic tube and refrigerate.
Refrigerated Plasma: 4 hours
• Clotted Sample • Insufficient volume
Interpretation = Normal
PTT Mixing study and are reviewed by the Pathologist before reporting.
Electromagnetic mechanical clot detection system
First and Second shift only, Daily, Monday - Sunday
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