MBI041 - UREA, SERUM Detail

Serum Urea is a biochemical blood test used to assess kidney function and protein metabolism.

Description

Urea is a nitrogen-containing waste product formed in the liver from the breakdown of proteins. It is transported in the blood to the kidneys, where it is filtered and excreted in the urine. The level of urea in the blood depends on protein intake, liver function, and kidney excretion.

Clinical significance

Measurement of serum urea helps evaluate renal function and overall metabolic status.

• Increased serum urea levels may be seen in:

  • Kidney disease or renal failure

  • Dehydration

  • High protein diet

  • Heart failure

  • Gastrointestinal bleeding

• Decreased serum urea levels may be seen in:

  • Severe liver disease

  • Malnutrition

  • Overhydration

Normal range

• Serum urea: 15–45 mg/dL (may vary by laboratory)

In summary, serum urea is an important marker used to assess kidney function, hydration status, and protein metabolism.