CA 19-9
Specimens Requirements:
Patient Preparation:None
Specimen Type: Serum
Container / Tube Type:Plain, Red top, 6mL
Minimum Volume:6 mL 
Collection instructions:NA

Sample Stability:

​Ambient (20 – 25°C):

5 days (after separation from cells)
Refrigerate (2 – 8°C​):14 days (after separation from cells)​