UREA

UREAUREA

UREA

Method of Collection:

Volume as mentioned on gel vacutainer (Yellow)


Days for reporting:

6 Hrs


Reference:

Unit : mg/dl Method : (Urease)
0 365 F 8.50 41.00 8.50 - 41.00

0 365 M 8.50 41.00 8.50 - 41.00

366 5,475 F 10.00 38.50 10.00 - 38.50

366 5,475 M 10.00 38.50 10.00 - 38.50

5,476 21,900 F 12.00 45.00 12.00 - 45.00

5,476 21,900 M 12.00 45.00 12.00 - 45.00

21,901 54,750 F 17.00 50.00 17.00 - 50.00

21,901 54,750 M 17.00 50.00 17.00 - 50.00

 


Why is the Test Done?

Urea is a waste product formed in the liver when protein is metabolized into its component parts (amino acids) . This process produces ammonia, which is then converted into the less toxic waste product urea. This test measures the amount of urea nitrogen in the blood.

Nitrogen is a component of both ammonia and urea. Urea and urea nitrogen are referred to somewhat interchangeably because urea contains nitrogen and because urea/urea nitrogen is the "transport method" used by the body to rid itself of excess nitrogen. Urea is released by the liver into the blood and is carried to the kidneys, where it is filtered out of the blood and released into the urine. Since this is an ongoing process, there is usually a small but stable amount of urea nitrogen in the blood.

Most diseases or conditions that affect the kidneys or liver have the potential to affect the amount of urea present in the blood. If increased amounts of urea are produced by the liver or if the kidneys are not working properly and have difficulty filtering wastes out of the blood, then urea concentrations will rise in the blood. If significant liver damage or disease inhibits the production of urea, then BUN concentrations may fall.

The test is ordered

  • As part of a routine health checkup
  • To check how the kidneys are functioning before starting to take certain drug therapies
  • When an acutely ill person comes to the emergency room and/or is admitted to the hospital
  • During a hospital stay
  • Fatigue, lack of concentration, poor appetite, or trouble sleeping
  • Swelling or puffiness (edema), particularly around the eyes or in the face, wrists, abdomen, thighs, or ankles
  • Urine that is foamy, bloody, or coffee-colored
  • A decrease in the amount of urine
  • Problems urinating, such as a burning feeling or abnormal discharge during urination, or a change in the frequency of urination, especially at night
  • Mid-back pain (flank), below the ribs, near where the kidneys are located
  • High blood pressure
  • At regular intervals to monitor kidney function in those with chronic diseases or conditions such as diabetes, congestive heart failure, and myocardial infarction (heart attack)
  • At regular intervals to monitor kidney function and treatment in people with known kidney disease
  • Prior to and during certain drug treatments to monitor kidney function
  • Along with a creatinine when a CT scan is planned
  • At regular intervals to monitor the effectiveness of dialysis

How to prepare for the Test:

Fasting for 4 hours. Avoid medications like aspirin, ibuprotein, high levels of Vit C.


120/-
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