Vitamin B 9 (Vit B9)
Folic Acid, Folate
Overview of Vit B9
What is Vit B9?
When you have an abnormal complete blood count (CBC) with a blood smear showing large red blood cells (macrocytosis) or abnormal (hypersegmented) neutrophils; when you have symptoms of anemia (weakness, tiredness, pale skin) and/or of neuropathy (tingling or itching sensations, eye twitching, memory loss, altered mental status); when you are being treated for vitamin B12 or folate deficiency.
Why is Vit B9 done?
- If you have symptoms of anemia like weakness, tiredness, pale skin
- If you have an abnormal complete blood count and your blood smear shows large red blood cells or neutrophils with more than 5 lobes
- If you have symptoms or signs of nerve problems like numbness, burning in hands, feet, arms,tingling sensation
- If you are being treated with vitamin B12 or folate therapy
- Folate levels in blood may vary based on your recent diet. Since your red blood cells store 95% of circolating folate, your doctor may order a test to measure the folate level within RBC’s
Preparation for Vit B9
- No special preparation required
Sample Type for Vit B9
The sample type collected for Vitamin B 9 is: Blood
Interpreting Vit B9 results
Low levels of folate in the blood may indicate:
- Folic acid deficiency anemia
- Malabsorption syndromes
- Chronic alcoholism