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RFT Test (Renal Function Test): Importance, Results & Cost

RFT Test
Medically reviewed by Neesh Patel, MB DCH

RFT test, or Renal Function Test, is essential for assessing the health and function of your kidneys. These vital organs play a crucial role in filtering waste products from the blood and regulating the body’s balance of fluids and electrolytes.

However, due to the fast-paced and unhealthy lifestyles we all lead today, it is common for kidney diseases to develop. Without proper testing, it can be challenging to determine if the kidneys are functioning correctly. That is where RFT comes in!

These tests can help you understand if your kidneys are healthy and functioning properly. This blog delves into what RFT tests reveal and how they can be used to assess kidney health.

What is RFT Test?

The full form of RFT is Renal Function Test. RFT test is a series of tests that measures the health of your kidneys. They measure how well your kidneys are removing waste products from your body and keeping the right balance of electrolytes like potassium, sodium, and chloride in your bloodstream.

Another term used for these tests is KFT, and its full form is Kidney Function Test.

Why is RFT Test Done?

Your doctor might order this test if you’re experiencing symptoms like fatigue, fever, swelling in the hands and feet, and pain during urination. These symptoms could mean kidney failure, an infection in the urinary tract, or any other kidney-related health issue.

If you have diabetes, high blood pressure or other underlying health conditions, the chances of your kidney health deterioration increase. The results of RFT can help diagnose any potential problems and guide treatment decisions.

RFTs are also frequently conducted for those already renal disease patients to ensure they are getting better. If not, the patient’s medication and therapy are modified.

What is Included in an RFT Test List?

A Renal Function Test (RFT) involves examining 11 different parameters:
  1. Creatinine
  2. Uric acid
  3. BUN/creatinine ratio
  4. Blood urea
  5. Phosphorous
  6. Chloride
  7. Calcium
  8. Blood urea nitrogen
  9. Potassium
  10. Sodium
  11. Urea/creatinine ratio

How Long Does an RFT Test Report Typically Take?

After the sample is submitted, the RFT test results typically take up to 8 hours to be available. Thus, you should get the results in the evening for your sample submitted in the morning.

What is the Average RFT Test Price?

The cost for RFT tests ranges from ₹700 to ₹1500.

What is the RFT Test Normal Range?​

The RFT test normal range, based on serum creatinine levels for adult men, is 0.74 to 1.35 mg/dL (65.4 to 119.3 micromoles/L). For adult women, it is 0.59 to 1.04 mg/dL (52.2 to 91.9 micromoles/L)

Your bloodstream typically absorbs creatinine and filters it at a broadly steady rate. Thus, your blood’s level of creatinine ought to be relatively constant. Creatinine levels higher than normal could indicate impaired renal function or severe kidney disease.

A timely RFT can help you resolve your kidney-related health issue quickly. However, even a slight delay can result in serious complications. Your doctor will discuss the findings of RFT or FKT with you. They will also explain the information for a diagnosis or course of treatment.

Health-e is here to help you with effortless monitoring of your health. You can digitise all your medical records so that you and your doctor can find them on one platform. No need to carry a bulky file of health check-up results each time you visit your doctor!

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Jigar Patel is the Founder of Health-e, a HealthTech app that simplifies health records management along with providing personalized and preventative healthcare solutions. Although he has 20+ years of operations and management experience in the EPC domain, Jigar’s true passion lies in making healthcare simpler, faster and more accessible for doctors and patients alike. He strongly believes that people need to be empowered to participate in their own healthcare and is constantly thinking of ways to build this into his app. He loves to keep things simple be it in life, product design, his work or the content he develops. Being married for 10 years and having 2 kids have taught him that perspective matters, so you can always count on him to share new perspectives on various topics.