Kidney Function Test (KFT)

Also known as: KFT, RFT, Renal Function Test, Creatinine Test

Category: BiochemistrySample: BloodReport in: Same Day

Blood tests that check how well the kidneys filter waste.

Why it's done

  • Screen for kidney disease
  • Monitor diabetes and BP
  • Check medicine safety

What it measures

Urea, creatinine, uric acid, electrolytes and eGFR.

Preparation

No fasting usually needed.

Normal range

Creatinine about 0.6-1.2 mg/dL; eGFR above 90 mL/min is normal

Understanding results

Rising creatinine and falling eGFR suggest reduced kidney function.

Frequently asked questions

Why is the Kidney Function Test (KFT) test done?

Screen for kidney disease, Monitor diabetes and BP, Check medicine safety

How do I prepare for Kidney Function Test (KFT)?

No fasting usually needed.

What is the normal range for Kidney Function Test (KFT)?

Creatinine about 0.6-1.2 mg/dL; eGFR above 90 mL/min is normal

Medically reviewed by

Medical review pending

Last updated

9 October 2026

Sources

  • ICMR standard treatment workflows
  • Reference ranges vary by laboratory - always read your report with your doctor

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.

This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.