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Folic acid, vitamin B9.
To assist in evaluation of diagnoses that are related to fluctuations in folate levels such as vitamin B12 deficiency and malabsorption.
Serum collected in a gold-, red-, or red/gray-top tube.
(Method: Immunochemiluminometric assay [ICMA])
|Conventional Units||SI Units (Conventional Units × 2.265)|
|Normal||Greater than 5.4 ng/mL||Greater than 12.2 nmol/L|
|Intermediate||3.4–5.4 ng/mL||7.7–12.2 nmol/L|
|Deficient||Less than 3.4 ng/mL||Less 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.|
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Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Folate." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425009/all/Folate.
Bladh ML, Van Leeuwen AM. Folate. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425009/all/Folate. Accessed April 23, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Folate. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425009/all/Folate
Bladh ML, Van Leeuwen AM. Folate [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 23]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425009/all/Folate.
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T1 - Folate
ID - 425009
A1 - Bladh,Mickey Lynn,
AU - Van Leeuwen,Anne M,
BT - Davis's Laboratory & Diagnostic Tests
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DB - Nursing Central
DP - Unbound Medicine