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Overview
Overview: The urea test measures the amount of urea in the blood or urine. Urea is a waste product formed in the liver when the body breaks down proteins. It is then excreted by the kidneys. The test is used to evaluate kidney fun...
Risk assessment
Risk Assessment:
- Low Risk: The urea test involves a simple blood or urine sample collection, which has minimal risks such as mild discomfort or bruising at the blood draw site.
- Potent...
Ranges
Normal Range:
- Blood Urea Nitrogen (BUN):
- Normal range for adults: 7–20 mg/dL (2.5–7.1 mmol/L)
- The range may vary slightly depending on the laboratory and...
Test result interpretation
Interpretation:
- High Urea Levels: May indicate:
- Kidney dysfunction (e.g., chronic kidney disease, kidney failure)
- Dehydration
- High protein intake or breakdown
- Gastr...
Sample types
Sample Type:
- Blood: A blood sample is drawn, typically from a vein in your arm.
- Urine: A urine sample is collected, often as a 24-hour sample or a spot sample.
Frequently Asked Questions
What happens if my blood urea level is high?
What happens if my blood urea level is low?
Is there any risk associated with a Blood Urea test?
What can produce false results of a Blood Urea test?
When should I get a Blood Urea test done?
Urea
Evaluating Nitrogen Balance for Comprehensive Kidney and Metabolic Health
Includes 1 Test
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Sample Type:
blood
urine
Fasting Required:
No
Description
The serum urea test measures the amount of urea nitrogen in your blood. Urea is a waste product formed in the liver when protein is metabolized. It is then filtered out of the blood by the kidneys and excreted in urine. The serum urea test is used to evaluate kidney function. Elevated levels of urea in the blood can indicate impaired kidney function or other medical conditions affecting the kidneys.