{"id":9441,"date":"2025-04-30T20:03:32","date_gmt":"2025-04-30T17:03:32","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=9441"},"modified":"2026-04-20T18:54:31","modified_gmt":"2026-04-20T15:54:31","slug":"blood-test-for-iron-how-often-and-what-to-do","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/blood-test-for-iron-how-often-and-what-to-do\/","title":{"rendered":"Iron blood test: how, when and why to take it"},"content":{"rendered":"<h2 class=\"\" data-start=\"488\" data-end=\"524\">What does an iron blood test show?<\/h2>\n<p class=\"\" data-start=\"526\" data-end=\"624\"><a href=\"https:\/\/medilab.km.ua\/en\/analysis\/biochemical-blood-tests\/anemia-diagnosis\/iron\/\">Iron blood test<\/a> determines the level of this trace element in blood serum, which allows you to assess:<\/p>\n<ul data-start=\"626\" data-end=\"806\">\n<li class=\"\" data-start=\"626\" data-end=\"664\">\n<p class=\"\" data-start=\"628\" data-end=\"664\">total iron stores in the body<\/p>\n<\/li>\n<li class=\"\" data-start=\"665\" data-end=\"711\">\n<p class=\"\" data-start=\"667\" data-end=\"711\">efficiency of iron transport in the blood<\/p>\n<\/li>\n<li class=\"\" data-start=\"712\" data-end=\"755\">\n<p class=\"\" data-start=\"714\" data-end=\"755\">potential iron deficiency or excess<\/p>\n<\/li>\n<li class=\"\" data-start=\"756\" data-end=\"806\">\n<p class=\"\" data-start=\"758\" data-end=\"806\">likelihood of anemia or chronic metabolic disorders<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"808\" data-end=\"961\">This test is not a stand-alone procedure - it is usually combined with the determination of <strong data-start=\"879\" data-end=\"960\"><a href=\"https:\/\/medilab.km.ua\/en\/analysis\/biochemical-blood-tests\/anemia-diagnosis\/ferritin\/\">ferritin<\/a>, transferrin, TBC (total serum iron binding capacity)<\/strong>.<\/p>\n<h2 class=\"\" data-start=\"963\" data-end=\"993\">Who is this analysis for?<\/h2>\n<ul data-start=\"995\" data-end=\"1383\">\n<li class=\"\" data-start=\"995\" data-end=\"1050\">\n<p class=\"\" data-start=\"997\" data-end=\"1050\">Patients with suspected <strong data-start=\"1022\" data-end=\"1048\">iron deficiency anemia<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1051\" data-end=\"1116\">\n<p class=\"\" data-start=\"1053\" data-end=\"1116\">For women with <strong data-start=\"1062\" data-end=\"1087\">heavy menstruation<\/strong> or <strong data-start=\"1092\" data-end=\"1114\">during pregnancy<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1117\" data-end=\"1196\">\n<p class=\"\" data-start=\"1119\" data-end=\"1196\">For people with symptoms: <strong data-start=\"1139\" data-end=\"1194\">hair loss, brittle nails, pallor, weakness<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1197\" data-end=\"1259\">\n<p class=\"\" data-start=\"1199\" data-end=\"1259\">For persons with <strong data-start=\"1208\" data-end=\"1234\">dietary restrictions<\/strong> (vegetarians, vegans)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1260\" data-end=\"1318\">\n<p class=\"\" data-start=\"1262\" data-end=\"1318\">Patients with <strong data-start=\"1272\" data-end=\"1316\">chronic or inflammatory diseases<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1319\" data-end=\"1383\">\n<p class=\"\" data-start=\"1321\" data-end=\"1383\">Within control <strong data-start=\"1338\" data-end=\"1383\">effectiveness of treatment with iron preparations<\/strong><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"1385\" data-end=\"1424\">When is the best time to donate blood for iron?<\/h2>\n<ul data-start=\"1426\" data-end=\"1615\">\n<li class=\"\" data-start=\"1426\" data-end=\"1475\">\n<p class=\"\" data-start=\"1428\" data-end=\"1475\"><strong data-start=\"1428\" data-end=\"1453\">In the morning<\/strong> \u2014 ideally by 10:00<\/p>\n<\/li>\n<li class=\"\" data-start=\"1476\" data-end=\"1539\">\n<p class=\"\" data-start=\"1478\" data-end=\"1539\"><strong data-start=\"1478\" data-end=\"1492\">On an empty stomach<\/strong> \u2014 after an overnight fast of at least 8 hours<\/p>\n<\/li>\n<li class=\"\" data-start=\"1540\" data-end=\"1615\">\n<p class=\"\" data-start=\"1542\" data-end=\"1615\">If you are taking iron supplements \u2014 <strong data-start=\"1579\" data-end=\"1615\">It is advisable to take the test before the appointment.<\/strong><\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9443\" src=\"https:\/\/medilab.km.ua\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8.jpeg\" alt=\"Hematologist analyzes ferritin levels\" width=\"1200\" height=\"795\" srcset=\"\" data-srcset=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8.jpeg 1200w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8-150x99.jpeg 150w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8-600x398.jpeg 600w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8-300x199.jpeg 300w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8-1024x678.jpeg 1024w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/05\/0905-8-768x509.jpeg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2 class=\"\" data-start=\"1617\" data-end=\"1648\">How to prepare: instructions<\/h2>\n<h3 class=\"\" data-start=\"1650\" data-end=\"1671\">3 days before delivery<\/h3>\n<ul data-start=\"1673\" data-end=\"1816\">\n<li class=\"\" data-start=\"1673\" data-end=\"1736\">\n<p class=\"\" data-start=\"1675\" data-end=\"1736\">Avoid <strong data-start=\"1684\" data-end=\"1705\">iron preparations<\/strong> and <strong data-start=\"1709\" data-end=\"1734\">vitamin C supplements<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"1737\" data-end=\"1816\">\n<p class=\"\" data-start=\"1739\" data-end=\"1816\">Do not change your diet abruptly (do not eat a lot of meat just the day before the test)<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1818\" data-end=\"1834\">In 24 hours<\/h3>\n<ul data-start=\"1836\" data-end=\"1969\">\n<li class=\"\" data-start=\"1836\" data-end=\"1860\">\n<p class=\"\" data-start=\"1838\" data-end=\"1860\">Do not drink alcohol.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1861\" data-end=\"1905\">\n<p class=\"\" data-start=\"1863\" data-end=\"1905\">Reduce physical and emotional stress<\/p>\n<\/li>\n<li class=\"\" data-start=\"1906\" data-end=\"1969\">\n<p class=\"\" data-start=\"1908\" data-end=\"1969\">Don&#039;t smoke, or at least <strong data-start=\"1930\" data-end=\"1969\">abstain for 3 hours before the test<\/strong><\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1971\" data-end=\"1994\">On the morning of the delivery day<\/h3>\n<ul data-start=\"1996\" data-end=\"2116\">\n<li class=\"\" data-start=\"1996\" data-end=\"2043\">\n<p class=\"\" data-start=\"1998\" data-end=\"2043\">Don&#039;t drink coffee, tea or juices - only <strong data-start=\"2033\" data-end=\"2041\">water<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2044\" data-end=\"2059\">\n<p class=\"\" data-start=\"2046\" data-end=\"2059\">Don&#039;t eat breakfast.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2060\" data-end=\"2116\">\n<p class=\"\" data-start=\"2062\" data-end=\"2116\">Before submission, it is advisable <strong data-start=\"2082\" data-end=\"2116\">sit quietly for 10\u201315 minutes<\/strong><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2118\" data-end=\"2147\">How the analysis itself takes place<\/h2>\n<ul data-start=\"2149\" data-end=\"2270\">\n<li class=\"\" data-start=\"2149\" data-end=\"2173\">\n<p class=\"\" data-start=\"2151\" data-end=\"2173\">Blood is taken from a vein.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2174\" data-end=\"2211\">\n<p class=\"\" data-start=\"2176\" data-end=\"2211\">The fence lasts no more than 3\u20135 minutes<\/p>\n<\/li>\n<li class=\"\" data-start=\"2212\" data-end=\"2270\">\n<p class=\"\" data-start=\"2214\" data-end=\"2270\">Results are usually available <strong data-start=\"2243\" data-end=\"2270\">within 1 business day<\/strong><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2272\" data-end=\"2303\">How to interpret the results<\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2305\" data-end=\"2818\">\n<thead data-start=\"2305\" data-end=\"2370\">\n<tr data-start=\"2305\" data-end=\"2370\">\n<th data-start=\"2305\" data-end=\"2320\" data-col-size=\"sm\"><strong data-start=\"2307\" data-end=\"2319\">Indicator<\/strong><\/th>\n<th data-start=\"2320\" data-end=\"2342\" data-col-size=\"md\"><strong data-start=\"2322\" data-end=\"2331\">Norm<\/strong> (adults)<\/th>\n<th data-start=\"2342\" data-end=\"2370\" data-col-size=\"md\"><strong data-start=\"2344\" data-end=\"2368\">What can it indicate?<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2439\" data-end=\"2818\">\n<tr data-start=\"2439\" data-end=\"2561\">\n<td data-start=\"2439\" data-end=\"2460\" data-col-size=\"sm\">Serum iron<\/td>\n<td data-col-size=\"md\" data-start=\"2460\" data-end=\"2511\">Women: 9\u201327 \u03bcmol\/L<br \/>\nMen: 11\u201330 \u03bcmol\/L<\/td>\n<td data-col-size=\"md\" data-start=\"2511\" data-end=\"2561\">\u2193 \u2013 deficiency, \u2191 \u2013 hemochromatosis or intoxication<\/td>\n<\/tr>\n<tr data-start=\"2562\" data-end=\"2669\">\n<td data-start=\"2562\" data-end=\"2572\" data-col-size=\"sm\"><a href=\"https:\/\/medilab.km.ua\/en\/what-is-the-ferritin-in-blood-test-that-tells-about-your-iron-reserves\/\">Ferritin<\/a><\/td>\n<td data-col-size=\"md\" data-start=\"2572\" data-end=\"2620\">Women: 15\u2013150 ng\/mL<br \/>\nMen: 30\u2013300 ng\/mL<\/td>\n<td data-col-size=\"md\" data-start=\"2620\" data-end=\"2669\">\u2193 \u2013 depleted reserves, \u2191 \u2013 inflammation, excess<\/td>\n<\/tr>\n<tr data-start=\"2670\" data-end=\"2742\">\n<td data-start=\"2670\" data-end=\"2683\" data-col-size=\"sm\">Transferrin<\/td>\n<td data-start=\"2683\" data-end=\"2693\" data-col-size=\"md\">2\u20134 g\/l<\/td>\n<td data-start=\"2693\" data-end=\"2742\" data-col-size=\"md\">\u2191 \u2013 iron deficiency, \u2193 \u2013 chronic diseases<\/td>\n<\/tr>\n<tr data-start=\"2743\" data-end=\"2818\">\n<td data-start=\"2743\" data-end=\"2767\" data-col-size=\"sm\">Transferrin saturation<\/td>\n<td data-col-size=\"md\" data-start=\"2767\" data-end=\"2776\">20\u201350%<\/td>\n<td data-col-size=\"md\" data-start=\"2776\" data-end=\"2818\">\u2193 \u2013 anemia, \u2191 \u2013 iron overload<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p class=\"\" data-start=\"2820\" data-end=\"2914\">The interpretation of the results must be done by a doctor, taking into account all clinical data.<\/p>\n<h2 class=\"\" data-start=\"2916\" data-end=\"2952\">How often should this test be taken?<\/h2>\n<ul data-start=\"2954\" data-end=\"3110\">\n<li class=\"\" data-start=\"2954\" data-end=\"2986\">\n<p class=\"\" data-start=\"2956\" data-end=\"2986\">Preventively - once a year<\/p>\n<\/li>\n<li class=\"\" data-start=\"2987\" data-end=\"3057\">\n<p class=\"\" data-start=\"2989\" data-end=\"3057\">During the treatment of anemia - as prescribed by a doctor (sometimes monthly)<\/p>\n<\/li>\n<li class=\"\" data-start=\"3058\" data-end=\"3110\">\n<p class=\"\" data-start=\"3060\" data-end=\"3110\">Before and during pregnancy - 1\u20132 times per trimester<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"3112\" data-end=\"3407\">A blood test for iron is a simple but very indicative diagnostic method. It allows you to detect disorders even before severe symptoms appear. If you have complaints of fatigue, pallor, or hair loss, do not ignore this study, as it may provide an answer to the question of the cause of your malaise.<\/p>","protected":false},"excerpt":{"rendered":"<p>What does an iron blood test show? An iron blood test determines the level of this trace element in the blood serum, which allows you to assess:<\/p>","protected":false},"author":627,"featured_media":9442,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9441","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/users\/627"}],"replies":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/comments?post=9441"}],"version-history":[{"count":0,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9441\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/9442"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=9441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/categories?post=9441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/tags?post=9441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}