11 days
Enzyme-immunoassay
nmol/L
No sampling on glass tubes
Shake the tube gently by turning over. Whole blood can be stored for 2 hrs at ambient temperature or 12 hrs at +4°C. During this time, centrifuge for 10 minutes at 900g. Aspirate the plasma slowly, to at least 1 cm from the sediment. After an anaphylactic shock, sample 30 to 60 min after the onset of clinical signs (SFAR recommendations)
<10,0