{"id":195824,"date":"2026-09-22T11:30:03","date_gmt":"2026-09-22T06:00:03","guid":{"rendered":"https:\/\/www.1mg.com\/articles\/?p=195824"},"modified":"2026-09-20T00:31:00","modified_gmt":"2026-09-19T19:01:00","slug":"whats-a-normal-creatinine-level-kidney-function-chart-by-age","status":"publish","type":"post","link":"https:\/\/www.1mg.com\/articles\/whats-a-normal-creatinine-level-kidney-function-chart-by-age\/","title":{"rendered":"What&#8217;s a Normal Creatinine Level? Kidney Function Chart by Age"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-195827 size-full\" title=\"What's a Normal Creatinine Level? Kidney Function Chart by Age\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh.jpeg\" alt=\"creatinine levels by age\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh.jpeg 1536w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-300x200.jpeg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-1024x683.jpeg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-768x512.jpeg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-150x100.jpeg 150w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p><span style=\"font-weight: 400\">&#8220;My creatinine is 1.2. Is that normal for my age?&#8221; You may have asked this after a blood test. Here&#8217;s the short answer. Creatinine levels by age don&#8217;t follow one neat chart. Your muscles, your age, and your kidneys all shape the number. Doctors also rarely judge your kidneys by creatinine alone. This guide explains the full story in plain words.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><a href=\"https:\/\/www.1mg.com\/articles\/foods-to-avoid-if-you-have-kidney-disease\/\" target=\"_blank\" rel=\"noopener\"><b><i>Creatinine is only one part of the picture. What you eat also matters when managing kidney health. For practical dietary guidance, read our guide on- Foods to Avoid If You Have Kidney Disease.<\/i><\/b><\/a><\/p>\n<h2><b>Creatinine, eGFR, and Your Kidneys: How They Work Together<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Your kidneys are two bean-shaped organs. They work like a water filter. They clean your blood and send the waste out as urine.<\/span><\/p>\n<p><b>Follow the trail of one waste product:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Your muscles work all day. As they do, they make a waste product called creatinine. The protein in your food adds a little too [1,2].<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Creatinine floats in your blood.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Healthy kidneys filter it out, and it leaves in your urine [2].<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If your kidneys slow down, creatinine stays in your blood. Your blood test then shows a higher number [2].<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.1mg.com\/articles\/5-protein-habits-that-might-be-damaging-your-kidneys\/\" target=\"_blank\" rel=\"noopener\"><b><i>What you eat, how much protein you consume, and how you consume it can affect your kidneys in different ways. Read on to see 5 protein habits worth rethinking if you want to protect your kidney health.<\/i><\/b><\/a><\/p>\n<p><span style=\"font-weight: 400\">That&#8217;s why doctors check it. But creatinine is just one clue. Your muscle size, your diet, and intense workouts can all change it [1].<\/span><\/p>\n<p><span style=\"font-weight: 400\">So doctors turn the clue into a score. They feed your creatinine, age, and sex into a formula. The result is your <strong>eGFR (estimated glomerular filtration rate)<\/strong>. In simple words, it <strong>tells you how well your kidneys filter blood<\/strong> [2,3]. Think of creatinine as the clue and eGFR as the report card.<\/span><\/p>\n<p><b>Here&#8217;s how the main tests fit together:<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Test<\/b><\/td>\n<td><b>Means<\/b><\/td>\n<td><b>Its Role<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Creatinine (blood)<\/b><\/td>\n<td><span style=\"font-weight: 400\">Muscle waste in your blood<\/span><\/td>\n<td><span style=\"font-weight: 400\">First clue. A high number may mean slow filtering<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>eGFR (estimated glomerular filtration rate)<\/b><\/td>\n<td><span style=\"font-weight: 400\">Score for how well your kidneys filter<\/span><\/td>\n<td><span style=\"font-weight: 400\">Main number for kidney function. Uses creatinine, age, and sex [3]<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Urine ACR (albumin to creatinine ratio)<\/b><\/td>\n<td><span style=\"font-weight: 400\">Checks for albumin (a protein) leaking into urine<\/span><\/td>\n<td><span style=\"font-weight: 400\">Spots kidney damage that eGFR can miss [4]<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>BUN (blood urea nitrogen)<\/b><\/td>\n<td><span style=\"font-weight: 400\">Another waste product in your blood<\/span><\/td>\n<td><span style=\"font-weight: 400\">Backup clue. Doctors often test it with creatinine [6]<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Note: <\/b><i><span style=\"font-weight: 400\">Doctors may also check your blood pressure and blood sugar. Diabetes and high blood pressure are big risks for kidney disease.<\/span><\/i><\/p>\n<h2><b>Creatinine Levels by Age: Normal Range and Why There&#8217;s No Simple Age Chart<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Here&#8217;s the usual adult range. The unit &#8220;mg\/dL&#8221; means milligrams per deciliter, a tiny weight of creatinine in a small amount of blood [1].<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Group (with normal kidney function)<\/b><\/td>\n<td><b>Common blood creatinine range<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">Adult men<\/span><\/td>\n<td><span style=\"font-weight: 400\">0.6 to 1.2 mg\/dL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">Adult women<\/span><\/td>\n<td><span style=\"font-weight: 400\">0.5 and 1.1 mg\/dL<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><i>Note: Labs set slightly different ranges, so please verify the range on your report.<\/i><\/b><\/p>\n<p><b><i>Worth Knowing<\/i><\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Why is there no creatinine chart for the age ranges 20\u201329 years and 30\u201339 years?\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400\">Because muscle drives the number, not age alone. More muscle means more creatinine. Women often have less muscle than men, so their numbers run lower. Like women, children have less muscle than adults, so their creatinine levels are also lower [6,7].<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400\">Two people of the same age can have very different normal numbers. That&#8217;s why creatinine levels by age can&#8217;t give you a single &#8220;right&#8221; answer.<\/span><\/p>\n<p><b>So how do doctors judge your kidneys by age? They use eGFR.<\/b><\/p>\n<h2><b>Kidney Function Chart by Age: What Your eGFR Means<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Creatinine levels by age can&#8217;t give a clear answer. <\/span><b>eGFR (estimated glomerular rate)<\/b><span style=\"font-weight: 400\"> can. Your<\/span><b> eGFR <\/b><span style=\"font-weight: 400\">usually drops as you get older, even when your kidneys are healthy. Here are the average numbers by age [3]:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Age (years)<\/b><\/td>\n<td><b>Average eGFR<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">20-29<\/span><\/td>\n<td><span style=\"font-weight: 400\">116<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">30-39<\/span><\/td>\n<td><span style=\"font-weight: 400\">107<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">40-49<\/span><\/td>\n<td><span style=\"font-weight: 400\">99<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">50-59<\/span><\/td>\n<td><span style=\"font-weight: 400\">93<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">60-69<\/span><\/td>\n<td><span style=\"font-weight: 400\">85<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">70+<\/span><\/td>\n<td><span style=\"font-weight: 400\">75<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><i>Always remember,<br \/>\n<\/i><\/b><b><i>Individual results can vary. <\/i><\/b><b><i>Because eGFR falls naturally with age, older adults tend to have lower eGFR numbers than younger adults. A low eGFR doesn&#8217;t always mean kidney disease. Doctors read it together with other kidney tests.<\/i><\/b><\/p>\n<h2><b>What Does Your eGFR Number May Mean?<\/b><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>eGFR<\/b><\/td>\n<td><b>What it may show<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">90 or above<\/span><\/td>\n<td><span style=\"font-weight: 400\">Generally normal<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">60-89<\/span><\/td>\n<td><span style=\"font-weight: 400\">Mildly reduced. It may be normal for your age. It can also be an early sign of kidney disease if other signs of damage show up\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">45-59<\/span><\/td>\n<td><span style=\"font-weight: 400\">Mild to moderate loss of kidney function<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">30-44<\/span><\/td>\n<td><span style=\"font-weight: 400\">Moderate to severe loss of kidney function<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">15-29<\/span><\/td>\n<td><span style=\"font-weight: 400\">Severe loss of kidney function<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400\">Below 15<\/span><\/td>\n<td><span style=\"font-weight: 400\">Kidney failure\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b><i>Note: One eGFR result can&#8217;t diagnose chronic kidney disease (CKD). Doctors look for reduced eGFR lasting at least 3 months. They can also diagnose it from signs of damage, such as albumin in the urine [4].<\/i><\/b><\/p>\n<h2><b>High Creatinine, Normal Creatinine: What to Make of Your Result<\/b><\/h2>\n<p>If your creatinine test results are not normal, it doesn\u2019t mean your kidneys are damaged. The creatinine level can be affected by a number of circumstances, and the result needs to be read in context.<\/p>\n<h3><b>Why creatinine can look high when your kidneys are healthy<\/b><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-195828 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-create-a_YMhzxALWeC.jpeg\" alt=\"KFT, intense workout\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-create-a_YMhzxALWeC.jpeg 1536w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-create-a_YMhzxALWeC-300x200.jpeg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-create-a_YMhzxALWeC-1024x683.jpeg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-create-a_YMhzxALWeC-768x512.jpeg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-create-a_YMhzxALWeC-150x100.jpeg 150w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p>Don&#8217;t panic over one high number. These things can push creatinine up [1,2,6]:<\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Dehydration\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Muscle disease<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Eating lots of cooked meat\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Taking creatine supplements<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Hard exercise or a very muscular body\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Certain medicines, like the antibiotic trimethoprim<\/span><\/li>\n<\/ul>\n<h3><b>Why a &#8220;normal&#8221; number can still hide a problem<\/b><\/h3>\n<p><span style=\"font-weight: 400\">It works the other way too. Even normal creatinine levels by age can hide early kidney disease [2]. Early kidney disease often causes no symptoms at all. That&#8217;s why doctors look at eGFR and urine tests, not creatinine alone.<\/span><\/p>\n<h2><b>When should you worry?<\/b><\/h2>\n<div id=\"attachment_42242\" style=\"width: 1510px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-42242\" class=\"wp-image-42242 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2023\/07\/close-up-hands-massaging-legs.jpg\" alt=\"Leg Swelling\" width=\"1500\" height=\"1000\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2023\/07\/close-up-hands-massaging-legs.jpg 1500w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2023\/07\/close-up-hands-massaging-legs-300x200.jpg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2023\/07\/close-up-hands-massaging-legs-1024x683.jpg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2023\/07\/close-up-hands-massaging-legs-768x512.jpg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2023\/07\/close-up-hands-massaging-legs-150x100.jpg 150w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><p id=\"caption-attachment-42242\" class=\"wp-caption-text\"><strong><span style=\"font-size: 14px\">There&#8217;s no single danger number. Doctors weigh these things instead:<\/span><\/strong><\/p><\/div>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">How your current creatinine compares with your previous result\u00a0<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Estimated glomerular filtration rate (eGFR)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Urine albumin<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Any symptoms, like swollen ankles, tiredness, or itchy skin [5]<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Health conditions like diabetes or high blood pressure<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Whether the odd result stays the same when they retest [4]<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">A sudden jump needs a doctor&#8217;s attention soon. Don&#8217;t wait for your next routine test [4].<\/span><\/p>\n<h2><b>FAQs<\/b><\/h2>\n<h3><b>What is a normal creatinine level for my age?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Adult men usually fall between 0.6 and 1.2 mg\/dL. Adult women usually fall between 0.5 and 1.1 mg\/dL [2]. Children run lower. Muscle mass, sex, and age all shape your number, so doctors check your eGFR too.<\/span><\/p>\n<h3><b>Is a creatinine of 1.2 normal?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">For men, 1.2 sits at the upper end of the usual range. For women, it sits just above the usual range, though a very muscular woman can still be normal. Ask for your eGFR to get the full picture.<\/span><\/p>\n<h3><b>What&#8217;s the difference between creatinine and eGFR?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Creatinine is the waste your blood test measures. eGFR is a score doctors calculate from it, using your age and sex. The score tells you more about kidney filtering.<\/span><\/p>\n<h3><b>Does eGFR drop with age?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Yes. It falls naturally as you get older, even without kidney disease [3]. That&#8217;s why the age chart above matters.<\/span><\/p>\n<h3><b>What creatinine level means kidney failure?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">No single creatinine number decides it. Doctors look at eGFR, and a value below 15 may mean kidney failure [3].<\/span><\/p>\n<h3><b>What is chronic kidney disease (CKD) and how do doctors diagnose it?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">CKD is long-lasting kidney damage or reduced kidney function. Its symptoms include weight loss, poor appetite, swollen ankles, tiredness, blood in urine, difficulty sleeping, muscle cramps, etc.\u00a0 Doctors need at least two blood tests, 90 days or more apart. If your eGFR is above 60, they also need other signs of kidney damage, such as albumin in your urine [4,5].<\/span><\/p>\n<h3><b>Can CKD be reversed?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">CKD is a long-term condition, and doctors can&#8217;t always undo the damage. Medicine and regular tests may help stop it getting worse, especially when they find it early.<\/span><\/p>\n<h3><b>Can dehydration or workouts raise creatinine?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Yes. Dehydration, intense exercise, and creatine supplements can all raise creatinine levels. Tell your doctor about them before your test.<\/span><\/p>\n<h3><b>Can I have kidney disease with normal creatinine?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Yes. Some people with a &#8220;normal&#8221; creatinine level still have kidney disease [1]. Urine tests and eGFR can catch what creatinine misses.<\/span><\/p>\n<h3><b>Who should get kidney tests?<\/b><\/h3>\n<p><span style=\"font-weight: 400\">Ask your doctor for an eGFR test if you have diabetes or high blood pressure, are overweight, are over 60, or have a family history of kidney disease [3]. Your doctor can tell you how often to repeat it.<\/span><\/p>\n<p><b><i>Disclaimer: This article shares general health information. It doesn&#8217;t replace advice from your doctor.<\/i><\/b><\/p>\n<h2><b>References<\/b><span style=\"font-weight: 400\">:<\/span><\/h2>\n<p><span style=\"font-weight: 400\">1. Shahbaz H, Rout P, Gupta M. <\/span><i><span style=\"font-weight: 400\">Creatinine Clearance.<\/span><\/i><span style=\"font-weight: 400\"> StatPearls, NCBI Bookshelf.<\/span> <span style=\"font-weight: 400\">Available from: <\/span><span style=\"font-weight: 400\">https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK544228\/<\/span><\/p>\n<p><span style=\"font-weight: 400\">2. National Kidney Foundation. <\/span><i><span style=\"font-weight: 400\">Creatinine. <\/span><\/i><span style=\"font-weight: 400\">Available from:<\/span> <span style=\"font-weight: 400\">https:\/\/www.kidney.org\/kidney-topics\/creatinine<\/span><\/p>\n<p><span style=\"font-weight: 400\">3. National Kidney Foundation. <\/span><i><span style=\"font-weight: 400\">Estimated Glomerular Filtration Rate (eGFR).<\/span><\/i><span style=\"font-weight: 400\"> Available from: <\/span><span style=\"font-weight: 400\">https:\/\/www.kidney.org\/kidney-topics\/estimated-glomerular-filtration-rate-egfr<\/span><\/p>\n<p><span style=\"font-weight: 400\">4. UK Kidney Association. <\/span><i><span style=\"font-weight: 400\">CKD Staging,<\/span><\/i><span style=\"font-weight: 400\"> UK eCKD Guide.<\/span> <span style=\"font-weight: 400\">Available from: <\/span><span style=\"font-weight: 400\">https:\/\/www.ukkidney.org\/health-professionals\/information-resources\/uk-eckd-guide\/ckd-staging<\/span><\/p>\n<p><span style=\"font-weight: 400\">5. NHS. <\/span><i><span style=\"font-weight: 400\">Chronic kidney disease: Symptoms.<\/span><\/i><span style=\"font-weight: 400\"> Available from: <\/span><span style=\"font-weight: 400\">https:\/\/www.nhs.uk\/conditions\/kidney-disease\/symptoms\/<\/span><\/p>\n<p><span style=\"font-weight: 400\">6. University of Rochester Medical Center. <\/span><i><span style=\"font-weight: 400\">Creatinine (Blood),<\/span><\/i><span style=\"font-weight: 400\"> Health Encyclopedia.<\/span><span style=\"font-weight: 400\"> Available from: <\/span><span style=\"font-weight: 400\">https:\/\/www.urmc.rochester.edu\/encyclopedia\/content?ContentTypeID=167&amp;ContentID=creatinine_serum<\/span><\/p>\n<p><span style=\"font-weight: 400\">7. Thongprayoon C, Cheungpasitporn W, Kashani K. Serum creatinine level, a surrogate of muscle mass, predicts mortality in critically ill patients. J Thorac Dis. 2016 May;8(5):E305-11. doi: 10.21037\/jtd.2016.03.62. PMID: 27162688; PMCID: PMC4842835. Available from: <\/span><span style=\"font-weight: 400\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4842835\/<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>(The article is written by<\/b><a href=\"https:\/\/www.1mg.com\/editorial-policy-processes\/nancy-dixit-110\" target=\"_blank\" rel=\"noopener\"><b> Nancy Dixit, Associate Manager, Clinical Health &amp; Content, Medical Affairs<\/b><\/a><b>, and reviewed by<\/b><a href=\"https:\/\/www.1mg.com\/editorial-policy-processes\/monalisa-deka-18\" target=\"_blank\" rel=\"noopener\"> <b>Monalisa Deka, Deputy Manager, Clinical Health &amp; Content, Medical Affairs<\/b><\/a><b>.)<\/b><\/p>\n<h2><b>Recommended Reads:<\/b><\/h2>\n<p><strong><a href=\"https:\/\/www.1mg.com\/articles\/tomatoes-cause-kidney-stones-myth-fact\/\" target=\"_blank\" rel=\"noopener\">Tomatoes Cause Kidney Stones: Myth Or Fact?<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.1mg.com\/articles\/obesity-diabetes-and-kidney-health-the-triple-threat-you-cant-ignore\/\" target=\"_blank\" rel=\"noopener\">Obesity, Diabetes, and Kidney Health: The Triple Threat You Can\u2019t Ignore<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-195827 size-full\" src=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh.jpeg\" alt=\"creatinine levels by age\" Title=\"What's a Normal Creatinine Level? Kidney Function Chart by Age\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh.jpeg 1536w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-300x200.jpeg 300w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-1024x683.jpeg 1024w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-768x512.jpeg 768w, https:\/\/www.1mg.com\/articles\/wp-content\/uploads\/2026\/09\/magnific_blog-cover-imgae-that-dep_aFsh3txfSh-150x100.jpeg 150w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n","protected":false},"author":72,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,27,34],"tags":[40918,40910,40917,40914,40913,40911,40915,39301,40912,40916],"class_list":["post-195824","post","type-post","status-publish","format-standard","hentry","category-eat-well","category-health-a-z","category-live-well","tag-chronic-kidney-disease-ckd","tag-creatinine-levels-by-age","tag-creatinine-vs-egfr","tag-egfr-by-age","tag-high-creatinine-causes","tag-kidney-function-chart","tag-kidney-function-test","tag-kidney-health","tag-normal-creatinine-level","tag-serum-creatinine-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What&#039;s a Normal Creatinine Level? 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