measures the amount of a particular drug in a patient's bloodstream. Good for optimal dosing amounts. Performed on serum drawn in a plain red tube, kept upright, time and method of draw must be included.
what colour tube does coagulation studies mainly use?
Light Blue - sodium citrate
when are sterile blood samples taken
always, first regardless of the method
colour of tube to be used for RUBG, TTG, RF, LDL, HDL
light green (mint) - PST
Light Blue tube has
sodium citrate anticoagulant
tubes containing clot activator & no anticoagulant:
red (plastic)
colour of tube for PT, PTT
light blue
erythrocyte?
largest cell, red in colour
RBC test?
determines the number of circulating red blood cells
tubes containing anticoagulants:
dark green, light green, light blue, black, royal blue, lavender
