eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²: Is That Normal?

Bottom line: eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² — see your doctor to discuss this result.

Ernestas K.
Written by
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
YOUR RESULT
118 mL/min/1.73m²
Normal or High

Is eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² Low, Normal, or High?

eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² is a result that often brings a sense of reassurance and clarity regarding kidney health. This value might be considered excellent, indicating very strong kidney function. In most healthy adults, an eGFR above 90 is typically seen as a normal range, with values like 118 suggesting your kidneys are doing a remarkable job filtering waste from your system. It's natural to feel curious about what this robust number truly signifies for your overall well-being and how to maintain such an impressive level of efficiency.

eGFR (Estimated Glomerular Filtration Rate) RangeValues
Kidney Failure (Stage 5 CKD)Below 15 mL/min/1.73m²
Severely Reduced (Stage 4 CKD)15 - 29 mL/min/1.73m²
Moderately-Severely Reduced (Stage 3b CKD)30 - 44 mL/min/1.73m²
Mildly-Moderately Reduced (Stage 3a CKD)45 - 59 mL/min/1.73m²
Mildly Reduced (Stage 2 CKD)60 - 89 mL/min/1.73m²
Normal or High90 - 120 mL/min/1.73m²
How the kidneys filter egfr (estimated glomerular filtration rate) LEFT RIGHT Bladder Kidneys filter waste products like egfr (estimated glomerular filtration rate) from your blood
Your Estimated Glomerular Filtration Rate 118 means different things depending on your other markers
Estimated Glomerular Filtration Rate + Hemoglobin
Hemoglobin levels combined with this marker can reveal underlying conditions that neither value shows on its own
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Estimated Glomerular Filtration Rate + Creatinine
Kidney function reflected by creatinine affects how this marker is processed and what your levels actually mean
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Estimated Glomerular Filtration Rate + Fasting Blood Glucose
Blood sugar status interacts with this marker in ways that change the clinical significance of your result
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Hidden Risk of eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²

While an eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² generally reflects robust kidney health, it's worth considering the broader picture of what contributes to such a strong filtering capacity. Sometimes, certain temporary factors can influence this number, giving an impression of slightly higher efficiency than usual. It's not a hidden risk *from* the number itself, but rather an opportunity to reflect on lifestyle elements that consistently support this excellent function, or to be aware of what might temporarily nudge the reading. Understanding these nuances can provide a more complete picture of your body's amazing capabilities and how you can continue to nurture them. This understanding is key for long-term health and maintaining your eGFR within this healthy range.

What Does a eGFR (Estimated Glomerular Filtration Rate) Level of 118 mL/min/1.73m² Mean?

When you encounter an eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m², it offers a glimpse into the remarkable work your kidneys perform daily. Imagine your kidneys as two incredibly efficient water filters, constantly cleaning and purifying your body's internal environment. An eGFR of 118 indicates these filters are working at an impressive pace, effectively removing waste products and excess fluids from your blood. This number is not just a digit; it's a reflection of your body's intricate systems working harmoniously to maintain balance. For someone with an eGFR of 118, it means their kidneys are exceptionally adept at their vital tasks, much like a high-performance engine running smoothly and efficiently. This level of function helps keep your blood clean, regulates blood pressure, and supports overall well-being. It can certainly evoke a feeling of relief and curiosity about how your body achieves such a feat. The National Kidney Foundation highlights that maintaining healthy kidney function is crucial for preventing numerous health issues, and your current eGFR value aligns well with this goal. This excellent filtration rate is a testament to the powerful capabilities within your own body, ensuring vital bodily processes are managed effectively.

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Your blood test has multiple results that affect each other. Estimated Glomerular Filtration Rate 118 alone doesn't tell you the full picture. Your other markers do.

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Lifestyle Changes for eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²

Maintaining an eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² is about celebrating and supporting this excellent level of kidney function through mindful lifestyle choices. Engaging in regular physical activity is a wonderful way to continue nurturing your kidneys and overall health. Think of joyful movement, rather than strenuous obligation, like brisk walking, cycling, or even dancing. The American Heart Association suggests aiming for about 150 minutes of moderate-intensity exercise each week. This kind of activity supports healthy blood flow to your kidneys, helping them continue their efficient work by delivering essential oxygen and nutrients. Ensuring adequate hydration by drinking plenty of water throughout the day is another cornerstone of kidney care; it helps your kidneys flush out waste effectively and keeps them running smoothly. Managing stress through practices like mindfulness, deep breathing exercises, or spending quality time in nature can also have a profound positive impact on your entire system, including your kidney health. These practices aren't about fixing a problem, but about actively participating in your body's ongoing wellness journey, reinforcing the strong foundation indicated by your eGFR of 118.

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Diet Changes for eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²

When considering diet alongside an eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m², the focus shifts from restrictive measures to embracing a vibrant, kidney-supportive way of eating. This level of eGFR signals that your kidneys are processing nutrients and waste very effectively, so the aim is to provide them with the best fuel to continue this outstanding performance. Emphasize a diet rich in fresh fruits, vegetables, and whole grains. These foods are packed with antioxidants, vitamins, and fiber, which are beneficial for overall health and can help protect your body's systems, including your kidneys, from daily wear and tear. The World Health Organization often promotes a balanced diet low in processed foods, unhealthy fats, and excessive sodium for general well-being, a principle that perfectly aligns with nurturing healthy kidney function. Prioritizing lean proteins, such as those found in poultry, fish, and legumes, and healthy fats, like those in nuts, seeds, and avocados, can also contribute to sustaining your vigorous health. It's about making choices that feel good and nourish your body from the inside out, rather than imposing strict limitations, thereby supporting your impressive eGFR.

Foods that support kidney health Berries Antioxidants Cauliflower Low potassium Fish Omega-3s Olive Oil Anti-inflammatory Stay hydrated and limit sodium to support kidney function

eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² in Men, Women, Elderly, and Kids

The eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² is a powerful indicator, and its interpretation can be wonderfully consistent across different demographics, even as the reference points for "normal" might shift slightly with age or sex. For instance, younger individuals typically have higher eGFR values, reflecting their peak kidney function, so an eGFR of 118 in a young adult is simply a strong confirmation of this expected health. As people age, a gradual decline in kidney function is a natural part of the aging process. However, for an older individual to have an eGFR of 118 is quite remarkable and speaks to exceptionally well-preserved kidney health, a testament to healthy aging. Women often have slightly lower muscle mass than men, which can influence creatinine levels used in the eGFR calculation, but an eGFR of 118 in either a man or a woman consistently points to excellent filtration capacity. The Centers for Disease Control and Prevention (CDC) emphasizes that regardless of age or sex, maintaining a healthy eGFR is crucial for preventing chronic conditions. While the calculations for eGFR consider these demographic factors to provide an accurate estimate, a result like 118 unequivocally suggests robust kidney function for most healthy adults, fostering a strong sense of well-being and confidence in one's health status across various life stages.

Medicine Effects on eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²

Even with an impressive eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m², understanding how certain medications can interact with your kidneys is an important part of proactive health management. While your kidneys are clearly performing at a high level, it's always wise to be aware of how different substances might influence their long-term function and overall efficiency. Some medications are known to be processed or eliminated by the kidneys, and maintaining open communication with your healthcare provider about all prescription drugs, over-the-counter remedies, and supplements you use is a responsible step. This isn't a cause for concern with an eGFR of 118, but rather an opportunity to ensure you're making informed choices that continue to support your excellent kidney health. The Mayo Clinic frequently advises patients to understand potential drug-kidney interactions and to disclose their full medication list, even when kidney function is strong. This proactive approach ensures your kidneys continue to thrive and maintain their optimal eGFR.

When to Retest eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²

Receiving an eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² is often a comforting confirmation of your body's efficient filtration system, bringing a positive sense of health. For most individuals with such a strong eGFR and no other underlying health concerns or risk factors for kidney issues, an immediate retest specifically for this value is usually not necessary. Instead, this excellent result typically means that your eGFR will likely be monitored as part of your routine annual physical examinations or general health screenings. The purpose of repeating the test in this context is less about detecting an immediate problem and more about tracking your overall health trajectory over time, allowing for a longitudinal view of your kidney function. It allows your healthcare provider to observe any significant changes that might occur over years, helping to maintain a comprehensive picture of your well-being. This regular, routine monitoring aligns with guidance from organizations like the National Institutes of Health (NIH), which advocate for general health check-ups to proactively manage health. An eGFR of 118 reassures you that your kidneys are in a good place, allowing you to focus on sustained healthy habits.

eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² — Frequently Asked Questions

Is an eGFR 118 mL/min/1.73m² considered too high, or is there such a thing as "hyperfiltration"?

An eGFR (Estimated Glomerular Filtration Rate) of 118 mL/min/1.73m² is generally considered a very healthy and robust kidney function, well within the normal range for most adults. While there is a concept of "hyperfiltration" where kidneys work unusually hard, an eGFR of 118 typically doesn't fall into this category in a concerning way for healthy individuals. It usually reflects excellent, healthy efficiency. If you have any specific health conditions, such as diabetes, high blood pressure, or are pregnant, your doctor can provide personalized insight into what this value means for your individual situation and context.

If my eGFR is 118, does that mean I don't need to worry about kidney health at all?

An eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² is indeed a fantastic indicator of strong kidney health and should be a source of reassurance. However, it's always beneficial to maintain kidney-friendly habits for long-term well-being, regardless of your current excellent eGFR. This includes staying well-hydrated, eating a balanced diet rich in fruits and vegetables, managing blood pressure and blood sugar levels effectively, and avoiding excessive use of certain medications without medical guidance. While your current result is excellent, nurturing your kidneys proactively helps ensure they continue to function optimally throughout your life. It means you have a great foundation to build upon for lasting health.

Can an eGFR of 118 mL/min/1.73m² change over time, and what might cause it to fluctuate?

Yes, an eGFR (Estimated Glomerular Filtration Rate) of 118 mL/min/1.73m² can naturally experience slight fluctuations. Factors such as hydration levels, recent intense exercise, diet, and even certain temporary illnesses can cause minor shifts in the reading. For example, being mildly dehydrated before a test might temporarily elevate creatinine, thus subtly impacting the eGFR calculation. Over many years, a gradual, subtle decline in eGFR is also a normal part of the aging process. The key is that significant, rapid, or sustained changes are what healthcare providers typically monitor closely. For an eGFR of 118, small, temporary variations are usually not a cause for concern and reflect the dynamic nature of your body's systems.

When to See a Doctor About eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m²

Having an eGFR (Estimated Glomerular Filtration Rate) 118 mL/min/1.73m² is certainly encouraging, often bringing a welcome sense of health and vitality regarding your kidneys. For individuals with such a strong eGFR and no other concerning symptoms or significant health issues, there's typically no immediate need to consult a doctor solely based on this excellent result. Instead, your robust eGFR makes regular wellness visits even more valuable. These appointments provide an opportunity to discuss your overall health, any general concerns you might have, and strategies for maintaining your current excellent health status. Organizations like the Kidney Disease: Improving Global Outcomes (KDIGO) consistently emphasize the importance of comprehensive health assessments, where eGFR is one piece of a larger health puzzle. If, however, you experience new or unusual symptoms such as persistent fatigue, unexplained swelling in your legs or ankles, noticeable changes in urination patterns (like needing to urinate more often at night), or unexplained muscle cramps, discussing these with your healthcare provider is always a good idea. These symptoms, regardless of your eGFR, warrant attention to ensure your continued well-being. An eGFR of 118 empowers you to focus on preventative health with confidence, ensuring you continue to support your body's amazing capabilities.

Your eGFR (Estimated Glomerular Filtration Rate) Summary
SAVE THIS
Your result 118 mL/min/1.73m²
Classification Normal or High
Optimal target 90 - 120 mL/min/1.73m²
Retest in 1 to 2 years
Recommended Actions
Continue current healthy habits
Retest in 1-2 years at your regular checkup
Maintain balanced diet and regular exercise
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