Osmolality, Blood and Urine

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

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General

Synonym/Acronym:
Osmo.

Common Use:
To assess fluid and electrolyte balance related to hydration, acid-base balance, and screening for toxins.

Specimen:
Serum collected in a gold-, red-, or red/gray-top tube; urine from an unpreserved random specimen collected in a clean plastic collection container.

Normal Findings:
(Method: Freezing point depression)

Conventional UnitsSI Units (Conventional Units × 1)
Serum275–295 mOsm/kg275–295 mmol/kg
Urine (random)50–1200 mOsm/kg50–1200 mmol/kg
Urine (24-hr collection)
 Newborn75–300 mOsm/kg75–300 mmol/kg
 Children and adults250–900 mOsm/kg250–900 mmol/kg

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Citation

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TY - ELEC T1 - Osmolality, Blood and Urine ID - 425103 Y1 - 2017 PB - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425103/all/Osmolality__Blood_and_Urine ER -