Kidney Function Test (KFT)

Kidney function tests, also known as renal function tests or KFT tests, are blood tests done to determine renal health and assess kidney functions. Kidney function tests are useful for identifying kidney problems at an early stage. Those with diabetes, high blood pressure, a family history of renal disease, or those taking medications that could impair kidney function are frequently advised to use them.

Why is the Kidney function test Prescribed?

It is recommended to evaluate kidney functioning in the normal individual as a screening test. The doctor recommends a Kidney function test (KFT) as part of a routine check-up to diagnose any disease affecting the kidneys, monitor the treatment efficacy of kidney disease, and detect patients at risk of any renal disease, Conditions harming the kidneys like diabetes and hypertension, to detect and evaluate chronic renal disease. At Aster, the kidney function test price is very reasonable and ranges from Rs. 300 to Rs. 800, depending on the location of the lab.

What are the Components of Kidney Function tests?

Serum Urea

The test is done to evaluate renal function and hemodialysis therapy, hydration, liver function, assess nutritional support, evaluate patients with lymphoma after chemotherapy, monitor effects of the drugs known to be nephrotoxic or hepatotoxic.

Serum Creatinine

An increased level indicates acute or chronic kidney failure, urinary tract obstruction, nephrotoxic drugs, hypothyroidism.

A decreased level indicates reduced muscle mass.

Serum Uric Acid- Uric acid blood levels vary from day to day

High levels may be caused by Kidney disease, some types of cancer, severe liver disease, other disorders such as alcohol dependence, preeclampsia, hypothyroidism, and Gout.

Low level may be caused by severe liver disease or in patients not eating enough protein.(Low body mass)

Blood Urea Nitrogen (BUN)

An increased level may signify acute or chronic renal failure, dehydration, shock, burns, CHF, GI bleeding.

A decreased level signifies hepatic failure, nephrotic syndrome

Reference range

Serum Urea	<39 mg/dl
Serum Creatinine	0.50-1.80 mg/dl
Serum Uric Acid	2.6-6.0 mg/dl
Blood urea Nitrogen	7.0-18.0 mg/dl

Procedure and prerequisites

A 3 mL blood sample is taken from the vein. Alcohol should be avoided before the test. No fasting required. You need to check with the lab or doctor for the preparation. Also provide your medical history to avoid any further health issues.

Kidney Function Test (KFT Test) in Perinthalmanna

Kidney Function Test (KFT Test) in Perinthalmanna

K0012

Daily

No Special Preparation Required

24 Hours

₹610

Parameters

Copyright © 2026 Aster Clinical Lab LLP. All Rights Reserved