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To assist in evaluating for acute renal failure, acute oliguria, and to assist in the differential diagnosis of hyponatremia.
Urine from an unpreserved random or timed specimen collected in a clean plastic collection container.
(Method: Ion-selective electrode)
|Age||Conventional Units||SI Units (Conventional Units × 1)|
|Male||41–115 mEq/24 hr or mmol/24 hr||41–115 mmol/24 hr|
|Female||20–69 mEq/24 hr or mmol/24 hr||20–69 mmol/24 hr|
|Male||63–177 mEq/24 hr or mmol/24 hr||63–177 mmol/24 hr|
|Female||48–168 mEq/24 hr or mmol/24 hr||48–168 mmol/24 hr|
|Adult–older adult||27–287 mEq/24 hr or mmol/24 hr||27–287 mmol/24 hr|
|Values vary markedly depending on dietary intake and hydration state.|