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Potassium, Urine

Potassium, Urine is a topic covered in the Davis's Lab & Diagnostic Tests.

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Urine K+.

Common Use:
To evaluate electrolyte balance, acid-base balance, and hypokalemia.

Urine from an unpreserved random or timed specimen collected in a clean plastic collection container.

Normal Findings:
(Method: Ion-selective electrode)

AgeConventional UnitsSI Units (Conventional Units × 1)
6–10 yr
 Male17–54 mEq/24 hr or mmol/24 hr17–54 mmol/24 hr
 Female8–37 mEq/24 hr or mmol/24 hr8–37 mmol/24 hr
10–14 yr
 Male22–57 mEq/24 hr or mmol/24 hr22–57 mmol/24 hr
 Female18–58 mEq/24 hr or mmol/24 hr18–58 mmol/24 hr
Adult–older adult26–123 mEq/24 hr or mmol/24 hr26–123 mmol/24 hr
Note: Reference values depend on potassium intake and diurnal variation. Excretion is significantly higher at night.Potassium excretion declines in older adults due to the decline in aldosterone levels, decline in kidney function, and effects of commonly prescribed medications that inhibit the renin-angiotensin-aldosterone system.

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Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Potassium, Urine." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425330/all/Potassium__Urine.
Bladh ML, Van Leeuwen AM. Potassium, Urine. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425330/all/Potassium__Urine. Accessed April 21, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Potassium, Urine. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425330/all/Potassium__Urine
Bladh ML, Van Leeuwen AM. Potassium, Urine [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 21]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425330/all/Potassium__Urine.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Potassium, Urine ID - 425330 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/425330/all/Potassium__Urine PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -