Specimen Requirements

Serum
Draw blood in a gold-top (serum separator) gel tube. For pediatric specimens, draw blood in two red-top MICROTAINER(S) ®. Label the specimen with the patient’s name (first and last), date of birth, date and time of draw, the phlebotomist’s initials and as serum. Spin down and send 1 mL of serum refrigerated. 
Specimen stability:   
8 hours at room temperature
7 days refrigerated at 2-8°C
Freeze at ≤ -20°C for longer storage

Minimum volume:    
1 mL