Order of dreaw
What tube is drawn first to prevent contamination?
Sterile yellow
What anticoagulant is found in a lavender tube?
EDTA
which tube is commonly used for CBC tests?
Lavender
what color tube contains EDTA?
levender
why do tubes need to be inverted after collection?
to mix blood with additives
Which tubes drawn immediately after blood cultures?
Light blue
Which tube contains sodium citrate?
Light bue
Which tube is used for coagulation tests like PT and INR?
Light Blue
which tube contains heparin?
green tube
how many times should lavender tubes be inverted?
8-10 times
Where does the red tube fall in the order of draw?
Ater light blue and before green
What does the green tube contain?
Heparin
what tube is used for glucose testing?
gray
what tube is also known as SST
gold
how many inversions are required for light blue tubes?
3-4 times
what tube is drawn before lavender but after green?
Gold (SST)
What additive is found in gray tubes?
Sodium flouride and potassium oxalate
which tube is used for chemistry and serum tests?
gold (SST)
what color tube has no additive or only a clot activator?
red
what happens if tubes are shaken instead of inverted?
Hemolysis may occur
Put these in correct order: avender, green, light blue, gray
light blue -> green -> lavender-> gray
What additive does an SST tube contain?
Clot activator and gel separator
which tube is used for blood cutures?
sterile yellow
which tube is used for glucose testing?
gray
which tubes typically require 5-10 inversions?
additive tubes (green, lavender gray, SST)