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

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General

Synonym/Acronym:
Urine K+.

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

Specimen:
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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Citation

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TY - ELEC T1 - Potassium, Urine ID - 425330 Y1 - 2017 PB - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425330/all/Potassium__Urine ER -