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Understanding the Test
Test Measures
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The Kidney Function Test (KFT), also known as a renal function test, is a group of blood tests used to assess how well the kidneys are functioning. These tests measure specific substances in the blood that provide information about the kidneys' ability to filter waste products, maintain fluid balance, and regulate important minerals in the body.
The kidneys play a vital role in removing waste and excess fluids from the bloodstream, maintaining electrolyte balance, and supporting various essential bodily functions. Changes in kidney function may affect the levels of certain substances in the blood, making laboratory testing an important part of kidney health assessment.
MAX@Home offers the Kidney Function Test with convenient home sample collection. A trained phlebotomist visits your preferred location to collect the required blood sample, which is then sent to a laboratory for analysis. This allows patients to undergo testing comfortably without the need to visit a diagnostic centre.
A kidney function test measures several substances in the blood that provide information about kidney function, waste removal, and fluid-electrolyte balance. These include:
A doctor may recommend a kidney function test:
The kidney function test at MAX@Home is designed to be simple and convenient, with minimal disruption to daily routine.
Before the test, no special preparation is usually required unless advised by the doctor. Fasting is generally not needed for a Kidney Function Test. Patients are advised to continue their prescribed medications unless instructed otherwise and to inform the phlebotomist about any ongoing treatment or medical conditions.
During the test, a trained phlebotomist visits the home at the scheduled time to collect the required blood sample. The procedure is carried out using a sterile, single-use needle and is usually completed within a few minutes.
After the test, normal daily activities can be resumed immediately. The collected sample is transported to an NABL-accrediated laboratory for analysis, and the test results are shared digitally once processing is complete.
The results of a kidney function test provide information about how well the kidneys are filtering waste products, maintaining fluid balance, and regulating key minerals in the body. The table below includes the parameters and their indications.
| Parameter | What it May Indicate |
| Creatinine | Elevated levels may suggest reduced kidney filtration or impaired kidney function. |
| Urea (BUN) | Abnormal levels may indicate reduced kidney clearance or other metabolic changes affecting kidney function. |
| Uric Acid | High levels may be associated with reduced kidney excretion, but they may also occur in other conditions, including gout and certain medicines or dietary factors. |
| eGFR | Lower values may indicate reduced kidney filtering capacity. |
| Electrolytes (Sodium, Potassium, Chloride) | Imbalances may suggest disruption in fluid and electrolyte regulation and may require further evaluation. |
The significance of these values depends on multiple factors, including hydration status, medications, underlying health conditions, and the presence of symptoms. For this reason, results should always be reviewed by a doctor to determine their clinical relevance and need for follow-up.
The kidney function test provides important insights into kidney health by measuring key markers related to waste removal, filtration efficiency, and electrolyte balance. Key benefits include:
The cost of a kidney function test at home may vary depending on the location and selected service requirements. MAX@Home follows a transparent pricing policy to ensure clarity and reliability for patients seeking pathology tests at home.
The service includes home sample collection by a trained phlebotomist, along with laboratory processing and digital report delivery. Patients can view the applicable price before booking the test. For the latest pricing information or assistance with booking, call 9240299624.
The kidney function test is often interpreted alongside other diagnostic tests that provide additional information about kidney health, metabolic status, and related body functions. At MAX@Home, following diagnostic tests are also available:
MAX@Home combines reliable diagnostic testing with the convenience of at-home sample collection, making it a convenient option for those searching for blood test near me. Our services include:
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MAX@Home is a leading provider of diagnostic services, with a vast network of lab-test centres across 14+ cities in India.