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  1. Folate (Folic Acid): Reference Range, Interpretation ... - Medscape

    Jul 24, 2025 · Testing the folate level, which is also known as folic acid and vitamin B9, is primarily used in the diagnosis of megaloblastic anemia. The reference range of the plasma …

  2. Understanding Folate Levels: Blood Tests, Deficiency & Treatment

    Normal folate levels generally range from 2.7 to 17.0 ng/mL, though this range may vary slightly depending on the laboratory. Levels below this threshold may indicate a folate deficiency, …

  3. Folic Acid: Facts for Clinicians | Folic Acid | CDC

    May 20, 2025 · All women capable of becoming pregnant should get 400 micrograms of folic acid daily. It's important to educate patients about folic acid, its benefits, and its sources. Folic acid …

  4. Vitamin B9 in the blood - folic acid - Normal ranges - MrLabTest

    Nov 10, 2024 · Each laboratory must establish its own normal ranges for vitamin B9 (folic acid) in the blood. These ranges depend on the makeup of the local population, the technologies used …

  5. Serum Folate Test: High vs. Low Levels Explained

    Serum folate levels are an important marker of your body’s folate status, crucial for red blood cell production and DNA synthesis. Low folate levels can indicate deficiencies due to poor diet, …

  6. Folate blood test — when and why you need one | healthdirect

    Folate is an important nutrient for growth, development, and function of your red blood cell and nerve tissues. Your folate levels can be affected by different health conditions, medicines and …

  7. Folate, Serum - Mayo Clinic Laboratories | Neurology Catalog

    Serum folate levels typically fall within a few days after dietary folate intake is reduced and may be low in the presence of normal tissue stores. Red blood cell folate levels are less subject to …

  8. Health Encyclopedia - University of Rochester Medical Center

    For red blood cells, a normal result ranges from 140 to 628 ng/mL or 317 to 1,422 nmol/L. A test result that's lower than normal means you have a folate deficiency, and your doctor may …

  9. What Are Normal Folic Acid Levels? | Health Insights Explained

    Normal Folic Acid Levels for Adults: Typically, normal serum folate levels for adults range from 3 to 17 ng/mL. However, this can vary slightly depending on the laboratory and the testing …

  10. What is a normal folate level that does not require replacement?

    Oct 22, 2025 · Folate forms are susceptible to degradation by light, temperature, pH, and oxygen, requiring pre-analytical precautions during sample collection 2 Patients on hemodialysis may …