Plasminogen Activator Inhibitor
Centralized Core Laboratory:Hematology
Blue top (sodium citrate) tube
2.5 mL (minimum 1.0 mL)
Cause for rejection:
Sent to reference lab
Enzyme-Linked Immunosorbent Assay (ELISA)
3.2% sodium citrate is the preferred anticoagulant.
1. Spin down, remove plasma and spin plasma again
Freeze specimen immediately at < or = -40C, if possible
Note: Double centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results.
If collected at an offsite location, send by a STAT Courier to Hospital lab
Reference range: 3-72 ng/mL