Blood Collection Tubes Flashcards
LTT contents
EDTA
LTT USE
CBC
LTT Sample Mgmt
Mix, make BF ASAP, refrigerate (do platelet count within 4 hrs)
RTT contents
None
RTT use
biochemistries
RTT sample mgmt
clot, spin, separate serum ASAP
Serum Separator/ RTT contents
none
Serum Separator/RTT use
biochemistries
Serum separator/RTT sample mgmt.
clot, spin, don’t need to separate–has waxy barrier
GreyTT contents
Oxylate
GreyTT use
blood glucose
GreyTT sample mgmt
mix
GreenTT contents
heparin
GreenTT use
blood gases
GreenTT sample mgmt
mix
BTT contents
citrate
BTT use
coagulation studies
BTT sample mgmt
full, mix, spin, separate off plasma, freeze if >6 hrs before processing, refrigerate <6 hrs
RRCT contents
heparin
RRCT use
PCV & TP directly from pt
RRCT sample mgmt
directly drawn from pt from needle into crit tube
BRCT contents
none
BRCT use
PCV/TP in conjunction with LTT
BRCT sample mgmt