B9Folate (vitamin B9)
What it shows
A vitamin cells need to divide; checked before pregnancy and, with B12, in anaemia.
Your doctor reads the result: the laboratory does not diagnose or prescribe. The result sheet gives the reference range beside each value.
Sample
- Short code
- B9
- What is taken
- Blood from a vein
- Container
- Yellow-top gel serum tube
- Turnaround
- 1 working days for samples taken by 12:00; result at 18:00
- At home
- Yes, a nurse comes to your home
Preparation
- 8 hours after your last meal, on an empty stomach. Water is fine.
- No alcohol and no fatty food the day before.
- No hard exercise the day before.
Reference ranges
| For | Range |
|---|---|
| Everyone | 3.9–26.8 ng/mL |
These ranges are for Damla’s analysers and methods; another laboratory’s ranges may differ slightly.