About the BLOOD UREA
Assess kidney function and hydration.
Sample Required
Blood (venous sample).
Fasting Requirement
As advised by physician.
Why is this Test Done?
- Assess kidney function and hydration.
- Interpret alongside creatinine.
General Reference Range
- Urea: ~15–40 mg/dL
What Abnormal Results Mean
High urea in renal dysfunction, dehydration, GI bleed; low in liver disease or low protein intake.





