Quick answer
The Blood Urea Test costs ₹230 at Live Line Health Care. Measures the whole urea molecule in your blood, the form most Indian lab reports print. No fasting is needed. It uses a blood sample and the report is usually ready the same day. Book home sample collection or visit any of our 45 centres.
Also known as: Urea, Serum Urea, S. Urea, Sr Urea, Blood Urea Level, Urea Kidney
What is the Blood Urea Test?
The Blood Urea test measures urea, the main waste product left over when your liver breaks down protein from food and from the body’s own tissues. Urea travels through the bloodstream to the kidneys, which filter it into urine. When filtering slows, or when the body is short of water, urea builds up and the number on your report climbs.
This page is about the whole urea molecule, which is what most Indian laboratories report in mg/dL. The separate BUN test counts only the nitrogen inside that molecule, so the two numbers look very different even for the same blood: a BUN of 14 mg/dL equals a urea of about 30 mg/dL. Check which one your doctor asked for, and compare your value only with the range for that test. Urea is rarely read alone, because diet, fluids and bleeding in the gut all move it, so doctors usually pair it with serum creatinine.
What it measures: The concentration of urea in blood, which reflects protein breakdown, fluid balance and how well the kidneys clear waste.
Parameters included (1)
- Blood Urea
Why is this test done?
- Checking kidney function along with serum creatinine
- Finding out whether weakness or dizziness is linked to dehydration after vomiting, diarrhoea or heat
- Following up people with diabetes, high BP or known chronic kidney disease
- Monitoring people taking water tablets or recovering after a hospital stay
- Looking for a possible bleed in the stomach or upper gut, where digested blood raises urea
- Keeping a trend in the same units as an older report that already lists blood urea
When should you get tested?
- Puffy eyes, or swelling of the feet and ankles
- Passing much less urine than usual
- Nausea, poor appetite or a metallic taste in the mouth
- Dry mouth, strong thirst and dizziness on standing
- Black, tarry stools, which need prompt medical attention
How to prepare for the Blood Urea Test
- 1No fasting is needed, so take your usual breakfast.
- 2Avoid an unusually large meat, egg or protein shake intake the night before, as it can push urea up for a short time.
- 3Drink your normal amount of water. Dehydration raises the result, and very large amounts just before the test can lower it.
- 4Take your usual medicines and show staff the list, especially water tablets and steroids.
- 5Bring previous kidney reports so your doctor can compare like with like.
Blood Urea Test normal range
| Parameter | Typical reference range |
|---|---|
| Blood urea (adults) | 15–43 mg/dLabout 2.5–7.1 mmol/L |
| Same result expressed as BUN | 7–20 mg/dL |
To convert, blood urea in mg/dL ≈ BUN × 2.14. Values often run a little higher in older adults and lower in pregnancy. Ranges are typical adult values and vary between labs, age and sex. Always use the range printed on your report and discuss results with your doctor.
Understanding your results
- A high urea with normal creatinine often points to dehydration, a high-protein diet, steroid use or bleeding in the upper gut rather than kidney disease.
- A high urea together with a high creatinine suggests the kidneys are filtering less well, and your doctor may add an eGFR calculation, urine tests or an ultrasound.
- Low urea is less common and is usually harmless. It can follow very low protein intake, large fluid intake or pregnancy, and occasionally reflects advanced liver disease.
- A single slightly raised value does not diagnose kidney disease. Doctors repeat the test and look at the trend, so show any abnormal result to your doctor.
Book the Blood Urea Test in your city
Same price at all 45 centres. Choose your city for local centres and timings.
Telangana
Blood Urea Test – FAQs
What is the price of the Blood Urea Test?
The Blood Urea Test costs ₹230 at Live Line Health Care, at all 45 centres and for home sample collection.
What is the difference between blood urea and BUN?
Blood urea measures the whole urea molecule, while BUN measures only the nitrogen atoms within it. They describe the same waste on different scales. Multiply BUN by about 2.14 to get blood urea, so a normal urea of 30 mg/dL is the same as a BUN of 14 mg/dL.
What is a normal blood urea level?
For most adults a typical blood urea is about 15–43 mg/dL, although labs use slightly different limits. Older adults often sit towards the upper end. Use the range printed on your own report, and ask your doctor about anything marked high or low.
Why is my urea high when my creatinine is normal?
This pattern is common and often not a kidney problem. Dehydration, a recent high-protein diet, steroid medicines, fever or bleeding in the stomach can all raise urea while creatinine stays steady. Your doctor will look at your hydration, medicines and symptoms before deciding what it means.
What level of blood urea is dangerous?
There is no single danger number, because the cause and the speed of the rise matter. Values several times the upper limit, especially with vomiting, confusion, very little urine or breathlessness, need urgent hospital care. Smaller rises still deserve a review with your doctor within a few days.
Can drinking more water lower blood urea?
If dehydration is the reason, rehydrating usually brings urea back down. Extra water will not fix urea that is raised by kidney disease, and people on fluid restriction for kidney or heart problems must follow their doctor’s limit. Get the cause checked rather than relying on water alone.
Should I book blood urea or serum creatinine?
For judging kidney function, creatinine is the stronger single marker because diet and fluids affect it less. Urea adds useful information about hydration and protein breakdown. Doctors usually want both, so check your prescription and book whichever it names, or both if both are listed.
Where can I get the Blood Urea Test done?
At any of our 45 Live Line Health Care centres in 40 cities across Andhra Pradesh and Telangana, including Hyderabad, Visakhapatnam, Warangal, Kakinada and Nellore, or book home sample collection.
Medical disclaimer: This information is for general awareness only and is not a substitute for professional medical advice. Please consult a qualified doctor to interpret your results and before starting or changing any treatment.