Urea test is frequently suggested by doctors for various purposes. If you have to undergo urea test, read on to learn about its purpose, procedures, preparations required, risks and more.
What is urea test?
Urea test is a frequently performed blood test to evaluate urea nitrogen content in blood. Urea test is often called urea nitrogen test. The normal level of urea by urea test is 7-20 mg/dL. High urea levels indicate dysfunctional kidneys or a heart or gastrointestinal condition in some cases. Low levels of urea from urea aren’t common except during pregnancy.
Why is Urea test suggested?
Urea test might be required with a panel of tests or with creatinine. It is often suggested to,
- Monitor functioning of kidneys.
- To diagnose a kidney disorder.
- Monitor management of a kidney disease.
- Or as a part of routine tests.
How is Urea test performed?
Performance of urea test could be done by a practitioner or a lab attendant.
- Blood is taken from veins in the arm or in the back of hand.
- Blood is sent to lab for analysis.
- The sample is tested for urea nitrogen concentration milligrams per deciliter or millimoles per liter.
The results of urea test are obtained within a few days and doctor may elaborate them to you.
What are the parameters measured in urea test?
Urea test, as the name suggests, measures urea concentration in blood.
Preparation before performing urea test
No specific preparation is to be done by a patient going for urea test. The patient may,
- inform the doctor of any kidney-related or other symptoms if noticed.
- relax and avoid anxiety
- eat and drink normally.
Post-care after urea test
There aren’t any particular post-care measures required for urea test. Measures required after a blood-test may be undertaken.
- Do not strain the arm.
- Drink plentifully and eat well after urea test.
- Leave the dressing at its place for 30-60 minutes.
Sample types in Urea
The sample in urea test is taken from a vein in the arm.
Side effects/risks of urea test
Side-effects of a common blood test are: