What Do the Numbers in a Kidney Function Test Mean?

Learn key kidney function test numbers like GFR, Creatinine, BUN, and ACR to understand your kidney health better.

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Key numbers in a kidney function test include the Glomerular Filtration Rate (GFR), which is the best overall indicator of kidney function, Creatinine and Blood Urea Nitrogen (BUN) levels, which give insights into waste elimination efficiency, and Albumin-to-Creatinine Ratio (ACR), which helps detect kidney damage. Regular monitoring of these numbers can help assess the health of your kidneys and guide any necessary treatment options.

FAQs & Answers

  1. What is a normal Glomerular Filtration Rate (GFR)? A normal GFR typically ranges from 90 to 120 mL/min/1.73 m², indicating healthy kidney function, though values may vary with age.
  2. Why are Creatinine levels important in a kidney function test? Creatinine levels help assess how well the kidneys filter waste; elevated levels may indicate impaired kidney function.
  3. What does a high Blood Urea Nitrogen (BUN) level mean? High BUN levels can indicate reduced kidney function or other conditions like dehydration or high protein intake.
  4. How does the Albumin-to-Creatinine Ratio (ACR) detect kidney damage? ACR measures protein leakage in urine, which can signal early kidney damage even before other symptoms appear.

Watch More

For more insights into kidney health and how to interpret lab results, explore our related content on chronic kidney disease signs, diet tips for kidney support, and when to see a nephrologist.

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