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Folic Acid

Folic Acid is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Folate, vitamin B9.

Rationale
To assist in evaluation of diagnoses that are related to fluctuations in folate levels such as vitamin B12 deficiency and malabsorption.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunochemiluminometric assay (ICMA).

Conventional UnitsSI Units (Conventional Units × 2.265)
ChildGreater than 7 ng/mL
Adult
NormalGreater than 5.4 ng/mLGreater than 12.2 nmol/L
Intermediate3.4–5.4 ng/mL7.7–12.2 nmol/L
DeficientLess than 3.4 ng/mLLess than 7.7 nmol/L
Values may be slightly decreased in older adults due to the effects of medications and the presence of multiple chronic or acute diseases with or without muted symptoms.

Critical Findings and Potential Interventions
N/A

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Folic Acid." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425458/all/Folic_Acid.
Bladh ML, Van Leeuwen AM. Folic Acid. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425458/all/Folic_Acid. Accessed June 20, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Folic Acid. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425458/all/Folic_Acid
Bladh ML, Van Leeuwen AM. Folic Acid [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 June 20]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425458/all/Folic_Acid.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Folic Acid ID - 425458 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425458/all/Folic_Acid PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -