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Synonyms
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Why do we do this test?
1. To asses kidney function
-as a aid to diagnose kidney disease
-to measure the adequacy of dialysis
-when you have conditions may leads to kidney damage
-when you on a drug which cause kidney damage.
-at regular intervals when you being follow up for kidney disease.
2. As a component of routine metabolic panel
3. Evaluation of hydration status
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Specimen Type
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Instructions for specimen
collection & Patient preparation
A Blood drawn from vein
Special preparation is not needed.
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Specimen transportation &
Processing
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Transport at room temperature
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Specimen storage & stability
If the analysis is delayed, serum/ plasma sample should be refrigerated or frozen.
Stable 24hr at room temperature (15- 25 0C)
Up to 1- 2 week at 2-80C
2- 3 months when frozen < -200C
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Specimen storage duration
If the analysis is delayed, serum/ plasma sample should be refrigerated or frozen.
Stable 24hr at room temperature (15- 25 0C)
Up to 1- 2 week at 2-80C
2- 3 months when frozen < -200C
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Reference Intervals & Target
Values
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Critical Limits
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Possible Pre-analytical Errors
Plasma urea concentration can be increases by
- High protein diet
-Increase protein catabolism
-Reabsorption of blood proteins after gastrointestinal bleeding
- Treatment of cortisol and its analogs
- Dehydration
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Possible Analytical Errors
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Available Government Laboratories
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Recommended turnaround time
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Test Method
Enzymatic method (Urease methods)
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Documentation
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References
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Last Updated : 2020-09-14 04:49:04 |
