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 |

