Folate, RBC
Specimens Requirements:

Patient Preparation:None
Specimen Type: Serum
Container / Tube Type:EDTA, Purple top, 3 mL Plain, Red top, 6 mL (2 tubes)
Minimum Volume:

3mL (EDTA)

6mL (Plain)

Collection instructions:Wrap tube in aluminum to protect from light.
Sample Stability:

Ambient (20 – 25°C): 2 h
Refrigerate (2 – 8°C​):4 h​