eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m²: Is That High?

Bottom line: eGFR (Estimated Glomerular Filtration Rate) 44 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
44 mL/min/1.73m²
Moderately-Severely Reduced (Stage 3b CKD)

Is eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² Low, Normal, or High?

eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² indicates a level of kidney function that is typically considered below the optimal range. This specific value might be viewed as a moderate reduction in how efficiently your kidneys are working. This reading suggests a conversation with your healthcare provider is a beneficial and important next step to understand what it means for your unique health picture. This discussion can help clarify any questions you may have and guide further exploration of your overall well-being. Let's explore what this specific number represents and how it fits into your health journey, especially as you prepare for that vital conversation.

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 44 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) 44 mL/min/1.73m²

An eGFR of 44 mL/min/1.73m² indicates a kidney function level that warrants careful attention and proactive discussion with your healthcare provider. When your eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² is noted, it's an opportunity to take a closer look at your kidney health and how it connects to your entire body. While this specific value doesn't automatically mean immediate severe problems, it points to a need to understand any contributing factors and potential implications for your long-term health. Taking steps now to investigate why your eGFR is at this level can be a powerful way to support your overall wellness journey and consider preventative measures for kidney health. The goal of understanding this eGFR is to help maintain your vitality and reduce the chance of other health issues surfacing in the future.

What Does a eGFR (Estimated Glomerular Filtration Rate) Level of 44 mL/min/1.73m² Mean?

eGFR (Estimated Glomerular Filtration Rate) is like a speedometer for your kidneys. It estimates how well these vital organs are filtering waste products from your blood. Think of your kidneys as a pair of sophisticated water treatment plants, constantly working to clean and purify your body's internal environment. They remove toxins, excess salts, and water, keeping everything in balance. The glomerular filtration rate itself is a measure of how quickly blood passes through the tiny filters, called glomeruli, within your kidneys. When your eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² is 44 mL/min/1.73m², it indicates that this filtration process might not be as efficient as it could be. It's like having a water treatment plant that's operating at about 44% of its full optimal capacity, based on a standardized measure of body size. This specific number suggests that the cleaning process is reduced compared to typical healthy filtration rates. Understanding this eGFR value helps your healthcare provider assess the current state of your kidney health. This specific eGFR reading serves as an important piece of information, guiding your doctor to consider a deeper look into your kidney function and overall health. It's a signal to begin a conversation about potential underlying causes and to develop a personalized plan to support your well-being. The National Kidney Foundation emphasizes that values like 44 mL/min/1.73m² are important indicators for monitoring kidney health over time, prompting a proactive approach to managing your health.

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Your blood test has multiple results that affect each other. Estimated Glomerular Filtration Rate 44 alone doesn't tell you the full picture. Your other markers do.

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Based on clinical guidelines · Data never stored

Lifestyle Changes for eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m²

Beyond diet, various lifestyle choices can play a supportive role when considering an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m². Engaging in regular physical activity is often recommended. Even moderate activities, such as brisk walking, swimming, or cycling, can contribute to overall cardiovascular health, which is closely linked to kidney function. The Centers for Disease Control and Prevention (CDC) often highlights the broad benefits of consistent movement for maintaining health. Aiming for around 150 minutes of moderate-intensity exercise each week, spread across several days, can be a great goal. It's also important to manage stress effectively, as chronic stress can impact various bodily systems. Techniques like mindfulness, meditation, or spending time in nature can be helpful in reducing stress levels. Another key aspect is ensuring adequate, but not excessive, hydration. Your healthcare provider can offer personalized guidance on fluid intake, especially important with an eGFR of 44 mL/min/1.73m², to prevent dehydration without overloading your kidneys. Avoiding smoking is another critical step, as tobacco use can significantly affect blood vessels throughout the body, including those in the kidneys. Limiting alcohol consumption also contributes positively to overall health and helps protect vital organs. These deliberate lifestyle adjustments, discussed with your doctor, can be a proactive way to support your kidney function and enhance your general well-being, helping you take an active role in managing your eGFR.

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Diet Changes for eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m²

When your eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² is at this level, dietary choices become a very important topic to discuss with your healthcare provider or a registered dietitian. Specific adjustments can help support kidney function and overall health. The aim isn't necessarily a restrictive diet, but rather a thoughtful approach to what you consume, focusing on foods that are gentle on your kidneys while still providing essential nutrients. For someone with an eGFR of 44 mL/min/1.73m², your doctor might discuss modifying certain aspects of your diet to help manage mineral balance and reduce the workload on your kidneys. The National Kidney Foundation provides extensive resources on dietary considerations for kidney health, emphasizing personalized nutrition plans.

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) 44 mL/min/1.73m² in Men, Women, Elderly, and Kids

The interpretation of an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² can sometimes vary slightly depending on factors like age and gender. While the eGFR calculation formula often accounts for these variables, the clinical significance of this specific number might be viewed through a slightly different lens. For example, in older adults, a gradual decline in kidney function is a natural part of the aging process. So, an eGFR of 44 mL/min/1.73m² in a very elderly individual might be viewed differently than the same reading in a younger adult, though both would warrant careful monitoring and discussion about kidney health. The Kidney Disease: Improving Global Outcomes (KDIGO) guidelines acknowledge these age-related nuances in their recommendations for managing kidney function. In younger adults, particularly those without known risk factors, an eGFR of 44 mL/min/1.73m² might prompt a more intensive search for underlying causes. While eGFR is less commonly used as a primary screening tool in young children, when calculated, a value like 44 mL/min/1.73m² would certainly signal a need for specialized pediatric nephrology evaluation. Men and women typically have different muscle mass, which is a factor in creatinine-based eGFR equations; however, the formulas aim to standardize for this. Regardless of these demographic differences, an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² is a significant finding that initiates an important dialogue with a healthcare professional to understand its specific meaning in your individual context.

Medicine Effects on eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m²

Certain medications can influence kidney function or require careful dosing adjustments when your eGFR (Estimated Glomer Filtration Rate) 44 mL/min/1.73m² is noted. It's crucial to have an open conversation with your healthcare provider about all medicines you are taking, including over-the-counter drugs, supplements, and herbal remedies. Some medications are cleared primarily by the kidneys, and a reduced eGFR of 44 mL/min/1.73m² might mean that these drugs stay in your system longer or reach higher levels, potentially leading to side effects. Conversely, some medications themselves can affect kidney function over time, making it even more important to review your complete medication list with your doctor. The American Society of Nephrology often highlights the importance of medication review in patients with changes in eGFR, emphasizing that managing your kidney health is a collaborative effort with your medical team.

When to Retest eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m²

The decision of when to repeat an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² test after this specific reading is a clinical one, best made in consultation with your healthcare provider. There's no single, universal timetable because it depends on several factors specific to your situation. Your doctor will consider your overall health, any underlying conditions you may have (such as diabetes or high blood pressure), other lab results, and any medications you are taking. For an eGFR of 44 mL/min/1.73m², which indicates a moderate reduction in kidney function, repeat testing is typically recommended to monitor for stability or any changes over time. The National Institutes of Health (NIH) often emphasizes the importance of consistent monitoring for individuals with an eGFR in this range, highlighting the value of a comprehensive approach to kidney health. Your doctor might suggest repeating the test in a few weeks or months to see if the eGFR value remains consistent or if there are any trends. This follow-up also allows your healthcare team to assess the effectiveness of any lifestyle changes or medical management strategies you may have begun. Regular monitoring provides valuable information, helping your doctor adjust your care plan as needed and giving you a clearer picture of your kidney health journey, especially after an initial eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² finding.

eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² — Frequently Asked Questions

What questions should I ask my doctor about an eGFR of 44 mL/min/1.73m²?

When discussing your eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² with your healthcare provider, it's helpful to come prepared. You might ask: "What do you believe is causing this eGFR result?" "Are there any specific lifestyle changes you recommend for me?" "What other tests might be needed to understand my kidney health better?" "Should I be concerned about how this eGFR might affect other health conditions I have?" and "What is the typical monitoring schedule for someone with this eGFR?" These questions can help you gain a comprehensive understanding of your kidney health.

Will my eGFR of 44 mL/min/1.73m² always stay the same, or can it change?

Your eGFR (Estimated Glomer Filtration Rate) is not necessarily a fixed number; it can fluctuate. An eGFR of 44 mL/min/1.73m² indicates a current snapshot of your kidney function, but this value can be influenced by various factors. Changes in hydration, certain medications, or the management of underlying health conditions can all potentially impact your eGFR. Your healthcare provider will often recommend repeat testing to establish a trend and see if the value is stable, improving, or declining over time. This ongoing monitoring is key to understanding the dynamic nature of kidney health and guiding appropriate management strategies for an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m².

What additional tests might my doctor order after an eGFR of 44 mL/min/1.73m²?

Following an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m², your healthcare provider might suggest further investigations to gain a more complete understanding of your kidney health. These could include a urine albumin-to-creatinine ratio (uACR) to check for protein in your urine, which can be an early sign of kidney changes. Blood tests to assess electrolytes, phosphorus, and calcium levels are also common. Imaging studies, such as an ultrasound of your kidneys, might be ordered to check their size, shape, and look for any blockages. These additional tests help your doctor determine the underlying cause and extent of any kidney function changes after an eGFR of 44 mL/min/1.73m².

When to See a Doctor About eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m²

Receiving an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m² is a clear signal to schedule an appointment with your healthcare provider for a thorough discussion. This specific value is considered outside the optimal range and warrants professional medical attention to understand its implications for your personal health. It’s important not to wait, as early discussions can lead to proactive management and strategies to support your kidney health. During your visit, your doctor can provide clarity on what your eGFR of 44 mL/min/1.73m² means in the context of your overall medical history, current health status, and any other test results. They can explain potential causes, discuss whether additional testing is needed, and outline a personalized plan for monitoring and supporting your kidney function. Beyond this initial follow-up, it’s always advisable to contact your healthcare provider if you experience any new or worsening symptoms that might be related to kidney health, such as unusual swelling, changes in urination patterns, persistent fatigue, or unexplained shortness of breath. Your healthcare team is your best resource for navigating your health journey with an eGFR (Estimated Glomerular Filtration Rate) 44 mL/min/1.73m².

Your eGFR (Estimated Glomerular Filtration Rate) Summary
SAVE THIS
Your result 44 mL/min/1.73m²
Classification Moderately-Severely Reduced (Stage 3b CKD)
Optimal target 90 - 120 mL/min/1.73m²
Retest in As directed by your doctor
Recommended Actions
Talk to your doctor as soon as possible to discuss treatment options
Follow up with kidney function testing
Stay hydrated and limit sodium
Begin moderate exercise (walking 30 min/day) once cleared by your doctor
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