Creatinine Clearance Calculator

What is Creatinine Clearance?

Creatinine clearance is a measure used to estimate how well your kidneys are filtering waste products from your blood. Creatinine is a waste product from muscle metabolism that is filtered out of the blood by the kidneys. By measuring its clearance, doctors can assess glomerular filtration rate (GFR), a key indicator of kidney health.

Why is it Important?

Monitoring creatinine clearance is crucial for diagnosing, staging, and monitoring kidney disease. Early detection of kidney problems can help prevent progression to more severe conditions, such as kidney failure. It also helps guide medication dosing, as many drugs are cleared by the kidneys.

Factors Affecting Creatinine Clearance

• Age: Kidney function naturally declines with age.
• Weight: Body mass influences creatinine production and clearance.
• Gender: Women typically have lower muscle mass and thus lower creatinine levels than men.
• Ethnicity: Some ethnic groups may have different average creatinine levels.
• Diet & Hydration: High meat intake can temporarily increase creatinine. Dehydration can affect results.
• Medications: Certain drugs can impact kidney function or creatinine levels.

Interpreting Your Results

Creatinine clearance values are typically expressed in milliliters per minute (mL/min). Normal values vary but generally range from 90 to 120 mL/min for healthy adults. Lower values may indicate impaired kidney function, while significantly higher values are rare but can occur in certain conditions.

Always discuss your results with a healthcare provider for a proper diagnosis and treatment plan, as this calculator provides an estimate only.