Clinical chemistry tests use what tubes?
Gold / Red / Mint Green
Serum or heparinized plasma
What is one clinical chemistry test that requires a lavender tube?
HbA1C
Venous blood gas requires what special collection?
A heparinized syringe
What colour tube is a glucose sample collected in
Mint or gold - unless not spun within 2 hours, then must be grey
What are the collection requirements for lactate
Must be transported on ice and centrifuged within 30 mins
Grey tube
Describe glucose tolerance testing for a non-pregnant patient
Pt has a fasting glucose sample drawn. 75g glucose drink is consumed, then sample is drawn at 30 mins, 1 hr, 2 hr, 3 hr
Describe glucose tolerance testing for a pregnant patient
Pt drinks a 50g glucose load, then sample is drawn 1hr post drink
Hematology is collected in what colour tubes
Lavender
Osmotic fragility requires what tube
Heparinized whole blood
Sodium heparin (dark green)
Carboxyhemoglobin requires what tube
Heparinized whole blood
Lithium heparin (dark green)
What two tests require fresh capillary blood in an EDTA tube
LAP stain
Malarial smear
Hemostasis tests use what colour tube
Light blue
Transfusion tests use what colour tube
Pink
Serology tests use what colour tube
Red/Gold
Which two immunology tests use red/gold tubes
MONO and ANA
Which two immunology tests use Lavender
HLA Typing and Cell markers
T/F
HbA1C requires anticoagulated serum
False - anticoagulated plasma in an EDTA. Not to be confused w hematology tests which require whole blood EDTA
What must be included on a patient’s tube label
Their full name - Last, First
Their DOB
The date and time of collection
Phlebotomist’s initials
Accession #
What is one reason for rejecting a whole blood EDTA tube
Clot present
