By menhc February 5, 2024 0 Comments

Defining the Folic Acid Test

Vitamin B9 is another name for folic acid. The method for determining blood folic acid levels is detailed in this article. It is common practice to do this alongside a blood test for vitamin B12.

Various Names

Folate A Test

Methods Used to Conduct the Exam

It is necessary to draw blood.

Strategies for Exam Success

Give yourself at least six hours to fast before the exam. To ensure accurate test results, your doctor may advise you to discontinue taking folic acid supplements and any other medications that can affect the results.

The following drugs can lower folic acid readings:

  • Alcohol
  • An anti-inflammatory agent
  • Methods of contraception
  • Sexual hormones
  • The tetracyclines
  • Ampicillin
  • Propidium oxybate
  • The medicine erythromycin

What is methotrexate?

  • The antibiotic penicillin
  • Phenobarbital with aminoopterin
  • The drug phenytoin
  • Malaria medications

What to Expect from the Exam?

Insertion of the needle may cause a little stinging or pain. A pulsating sensation could be present at the location.

The Reasons Behind the Trial

In order to detect folic acid insufficiency, this test is administered.

The production of DNA and the formation of red blood cells are both aided by folic acid. Spina bifida and other neural tube defects can be prevented by taking the recommended amount of folic acid before and while you are pregnant.

Women who are pregnant or trying to conceive should take 600 mcg of folic acid daily. Some meals, like enriched bread, flour, and cereal, and prenatal supplements, may supply it. If the woman has a history of neural tube abnormalities in her previous pregnancies, she may need to take an extra dose. Find out from your service provider how much you consume.

Standard Outcomes

The typical range is between 6.12 and 38.52 nanomoles per liter, or 2.7 and 17.0 nanograms per milliliter.

Results from various laboratories may have somewhat varied normal ranges. Discuss the significance of your test findings with your healthcare provider.

The typical metrics used to evaluate these tests are illustrated in the examples provided above. Labs may vary in the specimens they test or the metrics they employ.

Implications of Abnormal Findings Folic acid levels below the recommended range may reveal:

  • A bad diet
  • Celiac sprue and other malabsorption syndromes
  • Lack of proper nourishment

For the following reasons, the test may be conducted:

  • Possible folate deficiency anemia
  • Warning signs of megaloblastic anemia

Having your blood drawn poses almost no danger. Different people and different parts of the body have different-sized veins and arteries. The process of drawing blood could be more challenging for certain individuals than for others.


Having your blood collected also carries the small risk of:


  • Prolonged hemorrhage
  • Passing out or experiencing dizziness
  • Histoplasmosis (the collection of blood beneath the skin)
  • Breaks in the skin always pose a little danger of infection.


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