eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²: Is That High?

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) 24 mL/min/1.73m² Low, Normal, or High?

eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² might be considered significantly lower than typical healthy levels. This reading suggests a substantial reduction in how well your kidneys are filtering waste from your body. For most adults, healthy kidney function is much higher. Understanding what commonly leads to such a reading can be an important first step toward supporting your overall well-being and kidney health. Let's explore what this number truly signifies and what it means for your body.

Hidden Risk of eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²

When your kidneys are functioning at an eGFR of 24 mL/min/1.73m², it indicates a significant workload on the remaining kidney cells and a heightened potential for a range of health concerns that might not be immediately obvious. This level of kidney function, often a result of long-standing conditions like diabetes or high blood pressure, can have wide-ranging effects throughout your body. The National Kidney Foundation highlights that as kidney function declines, the body may struggle to maintain a healthy balance of fluids and essential minerals, leading to systemic challenges. It's not just about filtration; it's about the entire body's equilibrium. This eGFR value could mean your body has difficulty getting rid of toxins efficiently, which over time can impact various organ systems. It also suggests that conditions contributing to this lower eGFR are likely progressive if not carefully managed. Recognizing these interconnected risks is crucial for comprehensive health management when dealing with an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m². This significantly reduced filtration capacity can also influence the effectiveness and safety of many medications, as drug clearance often depends heavily on healthy kidney function. Even at this level, there's an opportunity to understand and mitigate potential impacts.

What Does a eGFR (Estimated Glomerular Filtration Rate) Level of 24 mL/min/1.73m² Mean?

To truly grasp what an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² signifies, imagine your kidneys as a pair of sophisticated water treatment plants for your body. Their job is to constantly clean your blood, removing waste products and excess water while keeping essential substances. The 'glomerular filtration rate' is like measuring the efficiency of these treatment plants – specifically, how quickly the filtering units, called glomeruli, are cleaning your blood. A healthy adult's eGFR is typically much higher, often above 90 mL/min/1.73m². So, an eGFR of 24 mL/min/1.73m² indicates that these filtering units are working at a significantly reduced capacity, like a water treatment plant operating at roughly one-quarter of its usual power. This substantial reduction often doesn't happen overnight; it’s usually the result of underlying health conditions that have been gradually affecting kidney performance for some time. For example, conditions like persistent high blood pressure, where constant force pushes against delicate kidney filters, or long-term diabetes, which can damage the tiny blood vessels within the kidneys, are common factors that can lead to such a reading. Over time, these conditions can cause damage and scarring, reducing the number of effective filtering units. When an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² is observed, it means the kidneys are still working, but they are considerably less effective at their vital job of keeping your blood clean and balanced. This lessened efficiency means waste products can build up more easily, and the body's balance of electrolytes, like sodium and potassium, can become disrupted. Understanding this reduced capacity is key to appreciating why certain recommendations for diet and lifestyle become so important at this level.

Lifestyle Changes for eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²

Beyond specific food choices, several lifestyle adjustments are often considered when managing an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m². These changes are aimed at supporting overall well-being and reducing strain on the kidneys. Regular physical activity, for instance, can play a significant role. Even gentle activities like walking, swimming, or cycling can help manage blood pressure and blood sugar levels, both of which are common contributors to lower eGFR readings. The Centers for Disease Control and Prevention (CDC) often emphasizes the benefits of staying active for cardiovascular health, which is closely linked to kidney function. Achieving and maintaining a healthy body weight is another crucial aspect. Excess weight can place additional stress on the kidneys and worsen conditions like high blood pressure and diabetes, which are frequently associated with an eGFR of 24. For those who smoke, quitting is one of the most impactful steps to take. Smoking can further damage blood vessels throughout the body, including those in the kidneys, accelerating the decline in kidney function. Adequate sleep is also vital; consistent, good quality sleep supports the body's natural repair processes and helps manage stress. Managing stress through techniques like meditation, deep breathing, or spending time in nature can also be beneficial. Stress can impact blood pressure and overall health, so finding healthy coping mechanisms is important. These lifestyle strategies are not quick fixes but rather long-term commitments that complement medical management and can contribute positively to kidney health when facing an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m².

Diet Changes for eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²

When your eGFR (Estimated Glomerular Filtration Rate) is 24 mL/min/1.73m², dietary modifications often become a cornerstone of managing your health and supporting kidney function. The goal is typically to reduce the workload on your kidneys by carefully managing the intake of certain nutrients that they filter. This often involves a tailored approach, as individual needs can vary greatly, especially if underlying conditions like diabetes or high blood pressure are present, which commonly lead to an eGFR of this level. Working with a registered dietitian specializing in kidney health can provide personalized guidance. Generally, for an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m², specific attention is often paid to protein, sodium, phosphorus, and potassium intake, as highlighted by organizations like the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). For example, limiting processed foods and opting for fresh, whole ingredients can make a significant difference in sodium and phosphorus levels. Understanding the common causes behind such an eGFR means dietary changes are often part of a broader management plan. Even small, consistent changes can make a meaningful impact on how your body functions and feels.

eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² in Men, Women, Elderly, and Kids

The interpretation of an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² can have slightly different implications depending on a person's age and sex, though the core meaning of significantly reduced kidney function remains consistent. In **elderly individuals**, it's important to remember that kidney function naturally declines with age. However, an eGFR of 24 mL/min/1.73m² is a significant reduction even for older adults and typically points to more than just age-related decline, often indicating underlying conditions that have progressed over time. For example, long-standing high blood pressure or diabetes, which are more prevalent in older populations, are very common causes for such a low eGFR reading in this group. In **younger adults and children**, an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² is highly unusual and would typically signify a more serious or congenital kidney condition, or a significant illness affecting the kidneys. Children's eGFR calculations often use different formulas that account for growth and development. The reasons for a severely reduced eGFR in these younger populations are distinct from the common causes seen in older adults. Between **men and women**, while the calculation for eGFR often includes sex as a factor, an eGFR of 24 mL/min/1.73m² signifies a similarly low level of kidney function for both. Any differences in how the exact number is reached or slightly adjusted by formulas do not change the critical message that kidney function is substantially compromised at this level. Both men and women with this eGFR would face similar considerations regarding managing their health and addressing any underlying conditions that have contributed to this reading. The focus remains on understanding the specific individual's health context and the common causes that led to their particular eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m².

Medicine Effects on eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²

When your eGFR (Estimated Glomerular Filtration Rate) is 24 mL/min/1.73m², it has significant implications for how medications are processed and their potential effects on your body. The kidneys are crucial for clearing many drugs from your system. With an eGFR of 24, this clearance is considerably slower, meaning that medications can stay in the body longer and potentially build up to higher levels, which could increase the risk of side effects. For example, some common pain relievers, antibiotics, or even diabetes medications may need dose adjustments or may be avoided altogether when kidney function is this low. The World Health Organization (WHO) emphasizes the importance of careful medication review in individuals with reduced kidney function to prevent drug-related complications. Many common conditions that lead to such an eGFR value, like long-standing diabetes or hypertension, also require ongoing medication management, making it crucial to ensure these drugs are appropriate for your current kidney function. Even over-the-counter supplements and herbal remedies can sometimes pose risks, as their processing by the kidneys might be affected. It's not just about drugs to treat kidney issues, but virtually any medication taken for any reason. Understanding how an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² impacts medication management is a vital part of safeguarding your health and ensuring your treatment plan is both safe and effective. Being proactive in discussing all your medications with a healthcare professional is essential.

When to Retest eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²

For an eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m², understanding when to repeat the test is an important part of monitoring kidney health. This specific value indicates a significantly reduced kidney function, suggesting that the underlying causes have likely been present for some time. Because this level points to a substantial change in kidney function, healthcare professionals typically recommend regular follow-up testing to track any changes over time. The frequency of these repeat tests can vary based on several factors, including the individual's overall health, the presence of other medical conditions like diabetes or high blood pressure (which are common reasons for an eGFR of 24), and whether new medications have been introduced. The National Kidney Foundation (NKF) guidelines often suggest more frequent monitoring when eGFR is in this lower range to assess stability or progression. For example, if there's been a recent illness, a change in diet, or a new medication, your doctor might suggest a repeat test sooner than usual to see how your kidneys are responding. Similarly, if there are symptoms that could be related to kidney function, such as swelling, fatigue, or changes in urination, a repeat test might be ordered. The aim of repeating the eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² test is not only to confirm the current level but also to establish a trend, which is often more informative than a single reading. This trend helps healthcare providers make informed decisions about ongoing care and management strategies for the common conditions that can lead to this reduced function.

eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² — Frequently Asked Questions

When to See a Doctor About eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m²

When your eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² is noted, this is a value that typically warrants ongoing medical attention. It signifies a substantial reduction in kidney function, often associated with long-standing underlying conditions that require careful management. You should always discuss this specific eGFR reading with your healthcare provider. It is important to explore the common causes that might be contributing to this reading and to understand its implications for your overall health. Your doctor can help interpret the result within the context of your personal health history, any symptoms you may be experiencing, and other lab values. They can also discuss a personalized management plan, which might include lifestyle adjustments, dietary changes, and medication reviews. If you experience new or worsening symptoms such as significant fatigue, swelling in your legs or ankles, changes in urination habits, muscle cramps, or a loss of appetite, these could be signs that your kidney function is impacting your body in new ways. Promptly bringing any such symptoms to your doctor’s attention is crucial. Furthermore, regular follow-up appointments and repeat testing are often recommended to monitor the eGFR (Estimated Glomerular Filtration Rate) 24 mL/min/1.73m² and ensure your management plan remains effective for supporting your kidney health and overall well-being. Proactive communication with your medical team is your best approach.