Tube should be filled to prevent loss of volatile analyte into headspace. Ensure that container remains tightly sealed.
Gray top tube (Sodium Fluoride / Potassium Oxalate)
Received Room Temperature.
Rejection criteria pertain to clinical sample submissions only.
Room Temperature: 5 day(s)
Refrigerated: 10 day(s)
Frozen (-20 °C): 14 day(s)