Measures urea nitrogen waste level to support kidney and hydration assessment.
Download Blood Urea Nitrogen (bun) Test Visual Guide infographic (PNG)
| Result context | Guide |
|---|---|
| Typical adult | about 7 - 20 |
| High | kidney/hydration review |
| Low | nutrition/liver context |
BUN varies with hydration, protein intake and kidney function.
Blood Urea Nitrogen (bun) is a laboratory test. Measures urea nitrogen, a protein-breakdown waste product.
Your clinician can advise whether this test is appropriate for you. The result should be read with the laboratory range, symptoms, medical history and other relevant results. The listed sample type is Blood (Serum).
Relevant details from a Thyrocare sample report are shown below. A standalone PDF preview for Blood Urea Nitrogen (bun) is not available here. Reference intervals may vary by method and patient factors. Use the interval printed on your own final report.
| Conducted at | Thyrocare Labs |
|---|---|
| Lab Accreditation | CAP, NABL, UKAS, ANAB |
| Parameter | Unit | Reference Range |
|---|---|---|
| BLOOD UREA NITROGEN (BUN) | mg/dL | 7.94 - 20.07 |
A BUN test determines the amount of urea nitrogen in blood and ensures if kidneys are working well. The urea nitrogen is a waste product produced by our body during the breakdown of protein in food. This protein forms in the liver and then travels through our blood to our kidneys. In a healthy individual, the urea nitrogen is then filtered by the kidneys and excreted through urine.

Women and children show lesser BUN value due to the typical protein metabolism found in them compared to male population. It is normal to have a small amount of urea nitrogen in the blood, typically ranging from 5 to 20 mg/dL or 1.2 to 7.1 mmol/L. Please note that the normal range mentioned above varies with the reference range of the lab, so make sure to interpret the values with the help of your physician. A higher amount of urea nitrogen in blood rebuts the plausibility of early kidney disease due to a high protein diet, internal bleeding, outcome of corticoid therapy, or some other reason that should be investigated further.
The normal BUN levels vary with age and sex. Most probably BUN test is interpreted along with serum creatinine to determine kidney function, it is a part of the comprehensive metabolic panel prescribed during the screening of kidney function. Normal BUN levels can be reverted by treating underlying kidney diseases like Hypertension, Diabetes Mellitus, Electrolyte abnormality, or any other interconnecting causes with the help of a Nephrologist.
Educational guide only. The Thyrocare sample-report range is shown in the Reports & Ranges section. For your own result, use the range on your final report and discuss it with your clinician.
| Reason | Description |
|---|---|
| Kidney screening | Measures urea nitrogen, a protein-breakdown waste product. |
| Monitoring | Used in kidney disease or treatment follow-up. |
| Panel test | Often appears with creatinine in kidney or metabolic panels. |
| Situation | Description |
|---|---|
| Kidney symptoms | Swelling, fatigue, itching, muscle cramps, urination changes. |
| Risk factors | Diabetes, high BP, heart disease, family kidney disease, smoking, older age. |
| Follow-up users | People on dialysis, kidney treatment or kidney-risk medicines. |
| Topic | Guidance |
|---|---|
| Fasting | The laboratory lists this as a fasting test but has not supplied a fasting duration. Obtain the duration from the collection team before your appointment. |
| Diet note | Protein intake and hydration can affect BUN. |
| Interpretation | Best read with creatinine and eGFR. |
The current Blood Urea Nitrogen (bun) price in Jajpur is Rs. 115. The final booking details are shown before you confirm.
The laboratory lists this as a fasting test but has not supplied a fasting duration. Obtain the duration from the collection team before your appointment.
Select Add to Cart or Book Now, choose a suitable slot and provide your address and pincode. Home collection is available where serviceable.
Payment is made after sample collection. Review the final booking amount before confirming your order; the collection team can confirm the available payment methods.
Your report shows the laboratory reference range. A doctor can interpret the result together with your symptoms, medical history and other tests.
Thyrocare states that most test reports are available within 24–48 hours after the sample reaches the laboratory, depending on the test. This is a general estimate, not a guaranteed turnaround for this test; sample transport time is additional. Completed reports are shared digitally.
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