Folic Acid (Vitamin B9) Test
- Category
- Vitamins
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 2 days
- Fasting
- No Fasting
- Age
- 5+ Years
What Is This Test?
Measures folic acid (vitamin B9) in the blood.
Why this test is performed?
Detects folate deficiency, which causes anaemia and, in pregnancy, increases the risk of neural tube defects in the baby. Often tested with vitamin B12.
Who should take this test?
Fatigue, weakness, tingling or numbness, mouth ulcers, hair fall, vegetarians/vegans, older adults and people with poor diet.
Test Preparation
No fasting needed.
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
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- Report time: In 8 days
- No fasting
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Frequently asked questions
Adequate folate before and in early pregnancy greatly reduces the risk of birth defects of the brain and spine.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 13–37 hours after the sample reaches the lab. You will receive the report online.
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