{"id":769975,"date":"2025-07-09T11:58:02","date_gmt":"2025-07-09T06:28:02","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=769975"},"modified":"2025-07-09T11:58:02","modified_gmt":"2025-07-09T06:28:02","slug":"bun-full-form-blood-urea-nitrogen","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/","title":{"rendered":"BUN Full Form &#8211; Blood Urea Nitrogen"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_is_the_Full_Form_of_BUN\" title=\"What is the Full Form of BUN?\">What is the Full Form of BUN?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_is_a_Blood_Urea_Nitrogen_BUN_Test\" title=\"What is a Blood Urea Nitrogen (BUN) Test?\">What is a Blood Urea Nitrogen (BUN) Test?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#Why_is_a_Blood_Urea_Nitrogen_BUN_Test_Done\" title=\"Why is a Blood Urea Nitrogen (BUN) Test Done?\">Why is a Blood Urea Nitrogen (BUN) Test Done?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_is_a_Normal_Blood_Urea_Nitrogen_BUN_Level\" title=\"What is a Normal Blood Urea Nitrogen (BUN) Level?\">What is a Normal Blood Urea Nitrogen (BUN) Level?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_Urea_Level_Shows_Kidney_Failure\" title=\"What Urea Level Shows Kidney Failure?\">What Urea Level Shows Kidney Failure?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_Does_a_High_Blood_Urea_Nitrogen_BUN_Level_Mean\" title=\"What Does a High Blood Urea Nitrogen (BUN) Level Mean?\">What Does a High Blood Urea Nitrogen (BUN) Level Mean?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_Does_a_Low_Blood_Urea_Nitrogen_BUN_Level_Mean\" title=\"What Does a Low Blood Urea Nitrogen (BUN) Level Mean?\">What Does a Low Blood Urea Nitrogen (BUN) Level Mean?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_Happens_Before_During_and_After_a_Blood_Urea_Nitrogen_BUN_Test\" title=\"What Happens Before, During, and After a Blood Urea Nitrogen (BUN) Test?\">What Happens Before, During, and After a Blood Urea Nitrogen (BUN) Test?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#BUN_Full_Form_-_Blood_Urea_Nitrogen_FAQs\" title=\"BUN Full Form &#8211; Blood Urea Nitrogen FAQs\">BUN Full Form &#8211; Blood Urea Nitrogen FAQs<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#Why_is_urea_called_BUN\" title=\"Why is urea called BUN?\">Why is urea called BUN?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_is_a_normal_BUN_urea_nitrogen_level\" title=\"What is a normal BUN urea nitrogen level?\">What is a normal BUN urea nitrogen level?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#What_is_BUN_and_BUN_creatinine\" title=\"What is BUN and BUN creatinine?\">What is BUN and BUN creatinine?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bun-full-form\/#Is_BUN_a_kidney_or_liver_test\" title=\"Is BUN a kidney or liver test?\">Is BUN a kidney or liver test?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p><strong>BUN Full Form:<\/strong> The Blood Urea Nitrogen (BUN) test is a simple blood test that helps check how well your kidneys are working. It measures the amount of urea nitrogen, a waste made when your body breaks down protein. This waste travels from the liver to the kidneys and leaves the body through urine.<\/p>\n<p>A normal BUN level means your kidneys are working fine. If the level is too high or too low, it may point to a health problem.<\/p>\n<p>In this article you will find the detailed information on <strong>BUN Full Form, why it is done, what happens after test and many more related info.<\/strong><\/p>\n<p><img loading=\"lazy\" class=\"alignnone wp-image-769984 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy.jpg\" alt=\"BUN Full Form\" width=\"1920\" height=\"1047\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy.jpg 1920w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy-300x164.jpg 300w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy-1024x558.jpg 1024w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy-768x419.jpg 768w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy-1536x838.jpg 1536w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2025\/07\/bun-dull-form-blood-urea-ntroge-copy-150x82.jpg 150w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_Full_Form_of_BUN\"><\/span>What is the Full Form of BUN?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The full form of BUN is Blood Urea Nitrogen.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Blood_Urea_Nitrogen_BUN_Test\"><\/span>What is a Blood Urea Nitrogen (BUN) Test?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A Blood Urea Nitrogen (BUN) test checks how much urea nitrogen is in your blood. Urea nitrogen is a waste made when your body breaks down the protein from the food you eat. This waste is first made in your liver and then sent to your kidneys through your blood.<\/p>\n<p>Your kidneys clean this waste and remove it from your body through your urine (pee). Having a small amount of urea nitrogen in your blood is normal. But if the level is too high, it means your kidneys may not be working properly.<\/p>\n<p>This test helps doctors see how healthy your kidneys are and if they are doing their job well.<\/p>\n<p style=\"text-align: center;\"><strong>Do Check: <a href=\"https:\/\/infinitylearn.com\/surge\/full-form\/\">List of all Important Full Forms<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_is_a_Blood_Urea_Nitrogen_BUN_Test_Done\"><\/span>Why is a Blood Urea Nitrogen (BUN) Test Done?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Doctors may ask you to take a BUN test during a regular health checkup. It is often part of a bigger test called a metabolic panel, which checks many things in your blood.<br \/>\nA BUN test is also done if you might have kidney problems. <strong>Kidney disease<\/strong> can be tricky because it doesn\u2019t show signs early on. But you may need this test if:<\/p>\n<p>Someone in your family has kidney disease.<\/p>\n<ul>\n<li>You have diabetes.<\/li>\n<li>You have high blood pressure.<\/li>\n<li>You have heart problems.<\/li>\n<\/ul>\n<p>If your kidneys start getting worse, you might see some signs like:<\/p>\n<ul>\n<li>Peeing more than usual.<\/li>\n<li>Foamy or bubbly pee.<\/li>\n<li>Blood in your pee.<\/li>\n<li>Feeling very tired.<\/li>\n<li>Not feeling hungry.<\/li>\n<li>Swelling in your hands, feet, or ankles.<\/li>\n<\/ul>\n<p>This test helps doctors check if your kidneys are working well.<\/p>\n<p style=\"text-align: center;\"><strong>Do Check: <a href=\"https:\/\/infinitylearn.com\/surge\/full-form\/acd-full-form\/\">ACD Full Form<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_Normal_Blood_Urea_Nitrogen_BUN_Level\"><\/span>What is a Normal Blood Urea Nitrogen (BUN) Level?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Normal BUN levels can be different based on your age and whether you are male or female. Check the table below for better understanding:<\/p>\n<figure class=\"table\">\n<table>\n<tbody>\n<tr>\n<td><strong>S. No<\/strong><\/td>\n<td><strong>Age and Sex<\/strong><\/td>\n<td><strong>Normal BUN Level (mg\/dL)<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Children (1 to 17 years)<\/td>\n<td>7 to 20 mg\/dL<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Adult females<\/td>\n<td>6 to 21 mg\/dL<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Adult males<\/td>\n<td>8 to 24 mg\/dL<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2><span class=\"ez-toc-section\" id=\"What_Urea_Level_Shows_Kidney_Failure\"><\/span>What Urea Level Shows Kidney Failure?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Doctors don\u2019t use just the BUN (Blood Urea Nitrogen) number to say if someone has kidney failure. But if your BUN level is much higher than normal, and another waste called creatinine is also high, it may mean your kidneys are not working well.<\/p>\n<p>Both BUN and creatinine are waste products that healthy kidneys should remove from the blood. When both levels go up, it can be a sign of serious kidney problems.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Does_a_High_Blood_Urea_Nitrogen_BUN_Level_Mean\"><\/span>What Does a High Blood Urea Nitrogen (BUN) Level Mean?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If your blood urea nitrogen (BUN) level is high, it might mean your kidneys are not working properly. But sometimes, your kidneys can be fine, and your BUN is still high because of other reasons. Chek these common causes of high BUN levels:<\/p>\n<ul>\n<li>Eating a lot of protein (like meat or eggs).<\/li>\n<li>Not drinking enough water (dehydration).<\/li>\n<li>Growing older (BUN is usually lower in children).<\/li>\n<li>Taking certain medicines like carbamazepine, methotrexate, or tetracycline.<\/li>\n<li>Having burns or injuries.<\/li>\n<li>A blockage that makes it hard to pee.<\/li>\n<li>Stress or being very sick.<\/li>\n<li>A heart attack.<\/li>\n<li>Bleeding in the stomach or intestines.<\/li>\n<\/ul>\n<p>A doctor will look at your symptoms and other test results to find out the real cause.<\/p>\n<p style=\"text-align: center;\"><strong>Must Read: <a href=\"https:\/\/infinitylearn.com\/surge\/full-form\/bcg-full-form\/\">BCG Full Form<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Does_a_Low_Blood_Urea_Nitrogen_BUN_Level_Mean\"><\/span>What Does a Low Blood Urea Nitrogen (BUN) Level Mean?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Low BUN levels are not very common, but they can happen. It usually means there\u2019s something affecting your diet or body. Here are some reasons why BUN levels may be low:<\/p>\n<ul>\n<li>Eating very little protein.<\/li>\n<li>Having a small or thin body.<\/li>\n<li>Drinking too much water (overhydration).<\/li>\n<li>Having liver problems.<\/li>\n<\/ul>\n<p>Doctors will check other health signs to understand what\u2019s causing the low BUN level.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Happens_Before_During_and_After_a_Blood_Urea_Nitrogen_BUN_Test\"><\/span>What Happens Before, During, and After a Blood Urea Nitrogen (BUN) Test?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Before the BUN Test<\/strong><\/p>\n<p>Before getting a BUN test, tell your doctor if you have a bleeding problem or if you take any blood-thinning medicine.<br \/>\nSometimes, you may need to take other blood tests along with the BUN test. Some of these tests may need you to fast (not eat or drink anything) for 8 to 12 hours. Ask your doctor if you need to fast before the test.<\/p>\n<p><strong>During the BUN Test<\/strong><\/p>\n<p>The BUN test is a simple blood test done at a clinic or lab. Here&#8217;s what happens:<\/p>\n<ul>\n<li>The doctor or nurse will clean the skin on your arm with a liquid like iodine or alcohol.<\/li>\n<li>Then, they will gently insert a small needle into a vein in your arm to take some blood.<\/li>\n<li>You may feel a small pinch. Sometimes, a tiny bruise appears, but it goes away soon.<\/li>\n<li>The blood is collected in small bottles and sent to a lab.<\/li>\n<\/ul>\n<p>You will usually get your test results in 1 to 3 days.<\/p>\n<p><strong>After the BUN Test<\/strong><\/p>\n<p>After your test, your doctor will talk to you about the results. If your BUN level is too high or too low, your doctor might do more tests to check your kidney health, such as:<\/p>\n<ul>\n<li>Serum Creatinine Test: checks another waste product in your blood.<\/li>\n<li>eGFR (Estimated Glomerular Filtration Rate): tells how well your kidneys are cleaning your blood. It uses details like your age, gender, size, race, and protein level.<\/li>\n<\/ul>\n<p>These extra tests help the doctor understand how well your kidneys are working.<\/p>\n<p style=\"text-align: center;\"><strong>Also Check: <a href=\"https:\/\/infinitylearn.com\/surge\/full-form\/aml-full-form\/\">AML Full Form<\/a><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"BUN_Full_Form_-_Blood_Urea_Nitrogen_FAQs\"><\/span>BUN Full Form &#8211; Blood Urea Nitrogen FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Why_is_urea_called_BUN\"><\/span>Why is urea called BUN?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tUrea is called BUN because the test measures the nitrogen part of urea in the blood.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_a_normal_BUN_urea_nitrogen_level\"><\/span>What is a normal BUN urea nitrogen level?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tNormal BUN levels range from 7\u201320 mg\/dL in children, 6\u201321 mg\/dL in adult females, and 8\u201324 mg\/dL in adult males.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_BUN_and_BUN_creatinine\"><\/span>What is BUN and BUN creatinine?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\t BUN and creatinine are waste products in the blood; doctors check both to see how well your kidneys are working.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"Is_BUN_a_kidney_or_liver_test\"><\/span>Is BUN a kidney or liver test?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tBUN is mainly a kidney test, but it also reflects how the liver breaks down protein.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Why is urea called BUN?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Urea is called BUN because the test measures the nitrogen part of urea in the blood.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is a normal BUN urea nitrogen level?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Normal BUN levels range from 7\u201320 mg\/dL in children, 6\u201321 mg\/dL in adult females, and 8\u201324 mg\/dL in adult males.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is BUN and BUN creatinine?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"BUN and creatinine are waste products in the blood; doctors check both to see how well your kidneys are working.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Is BUN a kidney or liver test?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"BUN is mainly a kidney test, but it also reflects how the liver breaks down protein.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>BUN Full Form: The Blood Urea Nitrogen (BUN) test is a simple blood test that helps check how well your [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"BUN Full Form","_yoast_wpseo_title":"BUN Full Form - Blood Urea Nitrogen","_yoast_wpseo_metadesc":"BUN Full Form is Blood Urea Nitrogen. 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