Urea (Blood)

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The Blood Urea test measures the level of urea in blood to evaluate kidney function and protein metabolism.

₹99.00 ~~₹150.00~~

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Test Details

Also Known As

Blood Urea Test, Serum Urea Test, Urea Level Test, Renal Function Test – Urea, Kidney Function Urea Test

Sample Type

Venous blood (serum)

Gender

Male, Female

Age Group

All Ages

Pathology

Test Code

The Urea (Blood) test measures the concentration of urea, a waste product formed in the liver during the breakdown of proteins and eliminated from the body by the kidneys.

Blood urea levels help assess how effectively the kidneys are filtering waste from the bloodstream. Elevated urea levels may indicate kidney dysfunction, dehydration, excessive protein intake, gastrointestinal bleeding, or reduced blood flow to the kidneys. Low urea levels can be seen in liver disease, malnutrition, or overhydration. This test is commonly performed along with creatinine and eGFR as part of routine kidney function evaluation.

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Frequently Asked Questions

It measures the amount of urea present in the blood.

No, fasting is generally not required.

Typically 15–40 mg/dL, though ranges may vary by laboratory.

Kidney disease, dehydration, high protein intake, or reduced kidney blood flow.

Liver disease, malnutrition, or excess fluid intake.

It is useful but should be interpreted with creatinine and eGFR.

Urea (Blood)