Specimen
Transport & Storage
Transporting hemostasis tubes:
Tubes should be kept stoppered and
upright
Storage:
6 months
-70
Storage for 6 months
2 weeks
-20
Storage for 2 weeks
Wait 30 test in 3 hrs
18-24
Platelet aggregometry
4 hours
18-24
Factor VII assay
4 hours
2-4 or 18-24
Factor assays – except VII
Sep. in 1 and test in 4
2-4 or 18-24
PT – when heparin present
Sep. in 1 and test in 4
2-4 or 18-24
aPTT – for heparin assay
4 hours
2-4 or 18-24
aPTT – no heparin present
24 hours
2-4 or 18-24
PT – no heparin present
Time
Temp (oC)
Application