Urea Nitrogen, Urine

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

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Synonym/Acronym:
N/A

Rationale
To assess kidney function related to the progression of disorders such as diabetes, liver disease, and kidney disease; used as an indicator of nitrogen balance for assessing malnutrition and optimizing hyperalimentation treatment.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction. Usually, a 24-hr urine collection is ordered. As appropriate, provide the required urine collection container and specimen collection instructions.

Normal Findings
Method: Spectrophotometry.

Conventional UnitsSI Units (Conventional Units × 35.7)
12–20 g/24 hr428–714 mmol/24 hr

Critical Findings and Potential Interventions
N/A

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Synonym/Acronym:
N/A

Rationale
To assess kidney function related to the progression of disorders such as diabetes, liver disease, and kidney disease; used as an indicator of nitrogen balance for assessing malnutrition and optimizing hyperalimentation treatment.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction. Usually, a 24-hr urine collection is ordered. As appropriate, provide the required urine collection container and specimen collection instructions.

Normal Findings
Method: Spectrophotometry.

Conventional UnitsSI Units (Conventional Units × 35.7)
12–20 g/24 hr428–714 mmol/24 hr

Critical Findings and Potential Interventions
N/A

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