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🧪 Renal Function & Electrolyte Profile

KFT Test at Home

Kidney Function Tests assess renal health by measuring waste products like urea, uric acid, and creatinine in the blood, helping detect kidney damage or chronic renal disease.

Dr. Anita Malhotra, MD Pathology Medically Reviewed by Dr. Anita Malhotra, MD (Pathologist) — Editorial Policy & Medical Review Process | Updated: July 8, 2026
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Popular Health Packages with KFT Test

The KFT Test is available as part of 17 certified Thyrocare packages. Compare test counts, included organ profiles, and package pricing below. Click Book Now on any package to instantly reserve your home sample collection:

⚡ Value Entry 78 Tests

Aarogyam Mini

₹999 ₹1,499 Save 33%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 78 Tests

Aarogyam Advanced

₹1,549 ₹2,200 Save 28%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 127 Tests

Executive Full Body Health Checkup

₹1,799 ₹2,200 Save 18%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🔬 Diabetic Focus 52 Tests

Jaanch Diabetic Profile Basic

₹1,999 ₹2,499 Save 20%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 106 Tests

Healthy 2026

₹2,026 ₹6,000 Save 66%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 127 Tests

Senior Citizen Profile Male

₹2,399 ₹4,949 Save 52%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 127 Tests

Senior Citizen Profile Female

₹2,399 ₹4,949 Save 52%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 83 Tests

Aarogyam Tax Saver Basic

₹2,399 ₹3,180 Save 25%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 107 Tests

Aarogyam Purush Profile with UTSH

₹2,750 ₹4,564 Save 40%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 110 Tests

Aarogyam Stree Profile with UTSH

₹2,750 ₹4,399 Save 37%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🧪 Health Checkup 127 Tests

Extensive Full Body Health Checkup

₹2,899 ₹9,000 Save 67%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🔬 Diabetic Focus 66 Tests

Jaanch Diabetic Profile Advanced

₹3,849 ₹4,949 Save 22%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🛡️ Full Body Audit 136 Tests

Aarogyam Tax Saver Advanced

₹4,599 ₹5,499 Save 16%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🛡️ Full Body Audit 140 Tests

Aarogyam X with Allergy Screening

₹6,499 ₹8,499 Save 24%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report
🛡️ Full Body Audit 149 Tests

Aarogyam XL with UTSH

₹7,499 ₹9,999 Save 25%
  • ✓ Includes KFT Test
  • ✓ Fasting: 10-12 Hours
  • ✓ Doorstep home sample collection
  • ✓ Pathologist certified report

💡 Tip: Blood collection is absolutely free of cost at serviceable addresses. Confirm your pincode and appointment slot before booking; city guides do not guarantee availability at every address. Explore our Aarogyam package comparison guide or calculate your body index with our Free BMI Calculator.

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What Is the KFT Test?

The KFT Test is a critical diagnostic screen performed to evaluate key biomarkers in your blood. Regular testing plays a vital role in the early detection and management of health issues, ensuring you can take proactive control of your wellbeing.

The Kidney Function Test (KFT / RFT) evaluates renal clearance, glomerular filtration efficiency, and electrolyte equilibrium through biomarkers including serum creatinine, blood urea nitrogen (BUN), uric acid, and electrolytes. Conducted under strict automated calibration in our NABL accredited central labs, regular kidney audits are vital for individuals managing hypertension or diabetes. For full systemic monitoring, physicians recommend pairing a KFT with a Liver Function Test, a Diabetes Blood Test, or a comprehensive Aarogyam Full Body Checkup. Learn how to maintain healthy renal filtration in our guides on understanding KFT lab reports and high creatinine levels and hydration.

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What Does the KFT Test Measure?

The panel evaluates key biomarkers vital for understanding your physiological health:

Parameter What It Shows Normal Reference Range
Serum Creatinine
Waste product from muscle wear-and-tear cleared by kidneys 0.6—1.2 mg/dL
Blood Urea Nitrogen (BUN)
Waste product from liver protein breakdown cleared by kidneys 7—20 mg/dL
Uric Acid
Waste product from chemical purine breakdown; high levels cause gout 3.5—7.2 mg/dL
Urea
Form of nitrogen waste filtered by kidneys 15—45 mg/dL
BUN / Creatinine Ratio
Ratio calculated to distinguish types of kidney impairment 10:1 to 20:1

* Normal biological reference intervals may vary slightly according to age, gender, and clinical instrumentation. Reports must be evaluated in clinical context by a qualified physician. Learn more about our Medical Review Process and Editorial Policy.

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Who Should Get Tested?

Clinicians recommend the KFT Test for individuals presenting with the following indications or health goals:

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Swelling in Feet & Ankles

Fluid retention (edema) in lower legs or puffy eyes; read our clinical review on high creatinine and kidney stress.

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Changes in Urination

Foamy or dark urine; evaluate filtration health with our complete Kidney Function Test guide.

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Uncontrolled Hypertension

High blood pressure straining delicate kidney nephrons; pair with a Lipid Profile.

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Diabetic Kidney Screen

Annual nephropathy audit essential for all individuals with diabetes; check our Diabetes Blood Test.

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Gout & High Uric Acid

Painful toe or knee joint inflammation; learn about prevention in our uric acid and gout guide.

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Long-Term Painkiller Use

Regular use of NSAIDs; monitor renal clearance alongside a Liver Function Test.

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How to Prepare for the KFT Test

Preparing for your home blood test is fast, hygienic, and convenient:

🍽️ Fasting Protocol

Fasting is not required for this test; eat and drink normally. Read our comprehensive blood test fasting rules guide for detailed instructions on drinking water, morning coffee, and dinner timing.

💧 Hydration Rules

Drink ample plain water before your morning phlebotomy visit. Proper hydration plumps veins for gentle, painless blood draw without altering clinical biochemical values.

💊 Medication Guidelines

Continue routine blood pressure or thyroid medications unless specifically instructed otherwise by your doctor. Consult our diagnostic reporting guide on how common prescriptions affect blood panels.

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How Home Sample Collection Works

1

Book Slot Online

Enter your pincode in the booking flow to check address-level collection availability and current appointment slots. City guides do not guarantee availability at every address.

2

Home Collection

A certified phlebotomist arrives at your home with fresh, sterile vacuum tubes adhering to NABL protocol.

3

Cold-Chain Transit

Barcode-sealed samples travel under strict temperature monitoring to our CAP-accredited central processing laboratory.

4

Digital Smart Report

Verified PDF report delivered to your WhatsApp & email. Learn how to interpret findings in our diagnostic report guide.

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Frequently Asked Questions

❓ What is included in a Kidney Function Test (KFT)?

KFT (also known as Renal Function Test or RFT) typically measures Serum Creatinine, Blood Urea Nitrogen (BUN), Urea, Uric Acid, and mineral electrolytes to assess kidney filtration capacity.

❓ Is fasting required for KFT?

Fasting is not strictly required for a standalone KFT. However, morning sample collection is preferred. Avoid eating large amounts of cooked meat or taking creatinine supplements before the test, as it can temporarily raise blood creatinine levels. For detailed guidance on drinking water, morning coffee, or dinner timing, read our blood test fasting rules guide.

❓ How much does a KFT cost at home?

A complete KFT panel with free home sample collection (blood collection is absolutely free of cost) starts from ₹ 880. Results are processed at certified, NABL-accredited diagnostic labs. Home collection availability depends on the exact address and selected slot. Enter your pincode in the booking flow to confirm; blood collection is absolutely free of cost at serviceable addresses.

❓ What does a high creatinine level mean?

A high creatinine level indicates that your kidneys are not filtering waste products efficiently. It can be a sign of kidney disease, kidney stones, dehydration, excessive protein intake, or muscle injury.

❓ How does hydration affect KFT results?

Severe dehydration can cause a disproportionate rise in Blood Urea Nitrogen (BUN) relative to creatinine, resulting in an abnormal BUN/Creatinine ratio. Drinking adequate water before the test is recommended. For assistance decoding normal biological intervals, refer to our clinical guide on how to read your blood test report.

📚 Doctor-Reviewed Guides

Related Clinical & Health Guides

Explore medically reviewed articles explaining test preparation, normal ranges, and clinical interpretation for KFT Test.

🌟 Official Clinical Knowledge Hub

Diabetic & Renal Health Knowledge Hub

Understand how blood glucose and hypertension impact kidney filtration rates and electrolytes.

Explore Clinical Pillar →

Kidney Function Test (KFT): Creatinine, BUN & Uric Acid

Detailed clinical review of filtration biomarkers, normal ranges, and signs of renal strain.

Read Clinical Guide →

High Creatinine Levels: Causes, Kidney Stress & Hydration

What elevated serum creatinine signifies, how hydration affects readings, and when to consult a nephrologist.

Read Clinical Guide →

High Uric Acid: Joint Pain, Gout & Prevention

Understanding hyperuricemia, purine metabolism, dietary triggers, and painful joint inflammation.

Read Clinical Guide →

How to Read a Diagnostic Blood Test Report

Understanding BUN/creatinine ratios and electrolyte balances from your lab results.

Read Clinical Guide →

Fasting and Water Intake Rules Before Kidney Tests

Hydration rules and sample timing to ensure your kidney blood results are accurate.

Read Clinical Guide →

Benefits of Regular Full Body Health Checkup

Why screening kidneys alongside liver and cardiovascular profiles gives complete peace of mind.

Read Clinical Guide →
📚 View All 35+ Medically Reviewed Health Guides →

Relevant Quality Sources

Reference links for official diagnostic network, laboratory accreditation, and clinical quality standards mentioned on this site.

Thyrocare official diagnostics network National Accreditation Board for Testing and Calibration Laboratories (NABL) College of American Pathologists laboratory accreditation program
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