eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²: Is That Normal?

Written by

Ernestas K.

Clinical research writer specializing in human health, biology, and preventive medicine.

Reviewed against NKF, NIH, CDC, KDIGO, Mayo Clinic guidelines · Last reviewed March 26, 2026

Is eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m² Low, Normal, or High?

eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m² might be considered an excellent indicator of kidney function, often falling well within a healthy range for many adults. This number suggests your kidneys are performing their vital filtering duties very efficiently. When you discuss an eGFR of 108 with your healthcare provider, understanding its significance can help you appreciate your current health status and engage in an informed conversation. This excellent result offers a wonderful starting point for discussing long-term wellness strategies and what you can do to maintain such robust health.

Hidden Risk of eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²

Even with an eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m², which indicates robust kidney performance, it’s beneficial to understand factors that support this excellent function and any potential long-term influences on kidney health. Discussing your comprehensive health picture with your doctor can help identify aspects that might affect kidney vitality over many years, ensuring you continue to support this vital organ system effectively and prevent future challenges.

• Certain lifestyle choices, while seemingly minor now, can impact kidney health over decades if not managed.
• Other health markers, like blood pressure or blood sugar, work with eGFR to paint a full picture of potential future risks.

What Does a eGFR (Estimated Glomerular Filtration Rate) Level of 108 mL/min/1.73m² Mean?

eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m² offers a snapshot into how effectively your kidneys are performing one of their most crucial jobs: filtering waste from your blood. Imagine your kidneys as highly skilled, miniature purification plants, diligently cleaning the water supply of your body. An eGFR value of 108 suggests these tiny filters are working at an impressive capacity, effectively removing toxins and excess fluid, similar to a state-of-the-art water treatment facility running at peak efficiency. This excellent number means your kidneys are doing a superb job of maintaining your body's internal balance. When you review this result with your doctor, they will likely affirm that this reflects strong kidney function. Understanding this rate helps you appreciate your body's internal workings and how interconnected various organ systems are. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) highlights the importance of understanding your eGFR as a key indicator of kidney health. A result like 108 is often considered optimal, indicating that your body's natural waste disposal system is functioning exceptionally well. Your doctor can use this information to reassure you about your current kidney status and to discuss what factors contribute to such robust health, like good hydration or a balanced diet, and how to maintain them.

Lifestyle Changes for eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²

Maintaining an eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m² involves supporting overall wellness through a range of lifestyle choices beyond just what you eat. Regular physical activity, for instance, plays a significant role in cardiovascular health, which in turn supports kidney function. The Centers for Disease Control and Prevention (CDC) often emphasizes the broad benefits of staying active, recommending about 150 minutes of moderate-intensity exercise each week. Engaging in activities you enjoy, whether it's brisk walking, swimming, or cycling, can help manage blood pressure and blood sugar levels, both of which are important for kidney health over time. Furthermore, staying well-hydrated is crucial; drinking enough water helps your kidneys perform their filtering tasks smoothly and efficiently. Managing stress effectively also contributes to your overall well-being, potentially influencing various bodily systems, including your kidneys. Adequate sleep is another foundational pillar of health that should not be overlooked; it allows your body to rest and repair. When discussing your eGFR of 108 with your doctor, you might explore how these healthy habits contribute to your excellent result and how to sustain them as part of your ongoing health plan. Your healthcare provider can help you identify specific exercises or stress-reduction techniques that fit into your daily routine, ensuring you continue to enjoy strong kidney health and maintain your eGFR.

Diet Changes for eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²

Even with an eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m², considering dietary choices remains a cornerstone of long-term health, helping to preserve this optimal kidney function. While specific restrictions are typically not necessary with such a healthy eGFR, focusing on a balanced, nutrient-rich diet can further support your overall well-being and contribute to maintaining your excellent kidney filtration rate. This proactive approach to nutrition helps ensure your kidneys continue to perform at their best.

• Embrace a varied diet rich in fruits, vegetables, and whole grains for antioxidant and fiber benefits.
• Be mindful of sodium intake, as consistently high levels can impact blood pressure and indirectly affect kidney workload.

eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m² in Men, Women, Elderly, and Kids

An eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m² is generally considered an excellent reading across different populations, yet its context can vary slightly. For younger adults, both men and women, this value reflects robust kidney function, often indicating a peak or near-peak performance. As individuals age, a gradual decline in eGFR is considered a natural part of the aging process, meaning an eGFR of 108 for an older adult might be exceptionally good, indicating kidneys that are aging remarkably well compared to their peers. The National Kidney Foundation (NKF) emphasizes that while eGFR naturally decreases with age, a precipitous drop is not typical. In children, eGFR calculations are often adjusted for growth and development, but a value like 108 would typically suggest strong kidney health. Your doctor will consider your age, gender, and overall health profile when interpreting your eGFR of 108, understanding that what is excellent at one stage of life is also excellent at another, but perhaps more remarkable later in life. This personalized approach ensures that your result is understood within the unique context of your life stage and medical history. Discussing these nuances with your healthcare provider during your appointment can provide a deeper understanding of what your specific eGFR means for you and your family.

Medicine Effects on eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²

With an eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m², your kidneys are highly efficient, which means they effectively process and eliminate medications from your system. However, it's always important to discuss all medications, including over-the-counter drugs and supplements, with your healthcare provider to understand their potential impact on your kidneys and ensure your excellent function is maintained. This proactive conversation is crucial for long-term kidney health.

• Certain medications can influence kidney function, requiring regular monitoring even with a healthy eGFR to prevent future issues.
• Always inform your doctor about new supplements or herbal remedies, as these can sometimes interact with kidney processes or prescribed medications.

When to Retest eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²

An eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m² typically indicates excellent kidney health, meaning an immediate repeat test might not be necessary unless other factors warrant it. Your healthcare provider will likely discuss a recommended schedule for future tests based on your individual health profile, medical history, and any existing conditions. For someone with consistently high eGFR values and no other health concerns, routine monitoring as part of an annual check-up might be sufficient. However, if there are other medical conditions, such as high blood pressure, diabetes, or a family history of kidney disease, your doctor might suggest more frequent monitoring to track the stability of your kidney function over time. The Kidney Disease: Improving Global Outcomes (KDIGO) guidelines often underscore the importance of individualized patient management. Even with an excellent eGFR of 108, if you're starting a new medication known to affect kidney function or experiencing new symptoms that could be related to kidney health, your doctor might recommend an earlier follow-up test. This proactive approach ensures that any changes, however subtle, can be observed and addressed promptly, helping to preserve your strong eGFR.

eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m² — Frequently Asked Questions

When to See a Doctor About eGFR (Estimated Glomerular Filtration Rate) 108 mL/min/1.73m²

An eGFR (Estimated Glomerular Filtration Rate) of 108 mL/min/1.73m² is a very favorable result, often indicating excellent kidney health, and typically does not require an urgent doctor's visit solely for this number. However, it's always important to discuss *all* your lab results, including this excellent eGFR, with your primary healthcare provider during your scheduled appointments. This allows your doctor to interpret the result within the full context of your individual health profile, medical history, and any other symptoms or conditions you may have. Your doctor can help you understand what contributing factors led to such a healthy eGFR and discuss strategies to maintain it. If you develop any new or concerning symptoms, such as persistent fatigue, unexplained swelling in your legs or ankles, changes in urination patterns, or blood in your urine, regardless of your eGFR value, it's always advisable to contact your doctor. These symptoms could indicate other health issues that warrant attention, even when kidney function appears robust. Proactive communication with your healthcare team is key to managing your health effectively and preserving your strong eGFR.