Specimen

Serum

Draw blood in a gold-top (serum separator) gel tube. Label the specimen with the patient’s name (first and last), date of birth, date and time of draw, phlebotomist’s initials, and as serum. Spin down and send 1.5 mL of serum refrigerated. 

Specimen stability:   Must be spun and separated within 2 hours of draw
                                     7 days at 2-8°C
                                     3 months when frozen at ≥ -20°C 
Minimum volume:      1 mL