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Homocysteine and Methylmalonic Acid

Homocysteine and Methylmalonic Acid is a topic covered in the Davis's Lab & Diagnostic Tests.

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General

Synonym/Acronym:
N/A

Common Use:
To assist in evaluating increased risk for blood clots, plaque formation, and platelet aggregations associated with atherosclerosis and stroke risk.

Specimen:
Serum collected in a gold-, red-, or red/gray-top tube if methylmalonic acid and homocysteine are to be measured together. Alternatively, plasma collected in a lavender-top (EDTA) tube may be acceptable for the homocysteine measurement. The laboratory should be consulted before specimen collection because specimen type may be method dependent. Care must be taken to use the same type of collection container if serial measurements are to be taken.

Normal Findings:
(Method: Chromatography)

Conventional & SI Units
Homocysteine4.6–11.2 micromol/L
Methylmalonic Acid70–270 nmol/L

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Citation

Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Homocysteine and Methylmalonic 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/425015/all/Homocysteine_and_Methylmalonic_Acid.
Bladh ML, Van Leeuwen AM. Homocysteine and Methylmalonic Acid. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425015/all/Homocysteine_and_Methylmalonic_Acid. Accessed April 19, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Homocysteine and Methylmalonic Acid. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425015/all/Homocysteine_and_Methylmalonic_Acid
Bladh ML, Van Leeuwen AM. Homocysteine and Methylmalonic Acid [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 19]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425015/all/Homocysteine_and_Methylmalonic_Acid.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Homocysteine and Methylmalonic Acid ID - 425015 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/425015/all/Homocysteine_and_Methylmalonic_Acid PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -