{"id":9441,"date":"2025-04-30T20:03:32","date_gmt":"2025-04-30T17:03:32","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=9441"},"modified":"2026-07-23T11:09:43","modified_gmt":"2026-07-23T08:09:43","slug":"blood-test-for-iron-how-often-and-what-to-do","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/analiz-krovi-na-zalizo-yak-koly-i-navishho-jogo-zdavaty\/","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 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=\"(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<div class=\"table-scroll\"><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><\/div>\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 href=\"https:\/\/medilab.km.ua\/en\/analysis\/autoimmune\/antibodies-to-muscarinic-specific-receptor-tyrosine-kinase\/\" title=\"Antibodies to muscle-specific receptor tyrosine kinase (MuSK)\" data-wpil-monitor-id=\"721\">Blood test for<\/a> \u0437\u0430\u043b\u0456\u0437\u043e \u2014 \u0446\u0435 \u043f\u0440\u043e\u0441\u0442\u0438\u0439, \u0430\u043b\u0435 \u0434\u0443\u0436\u0435 \u043f\u043e\u043a\u0430\u0437\u043e\u0432\u0438\u0439 \u043c\u0435\u0442\u043e\u0434 \u0434\u0456\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u043a\u0438. \u0412\u0456\u043d \u0434\u043e\u0437\u0432\u043e\u043b\u044f\u0454 \u0432\u0438\u044f\u0432\u0438\u0442\u0438 \u043f\u043e\u0440\u0443\u0448\u0435\u043d\u043d\u044f \u0449\u0435 \u0434\u043e \u043f\u043e\u044f\u0432\u0438 \u0432\u0430\u0436\u043a\u0438\u0445 \u0441\u0438\u043c\u043f\u0442\u043e\u043c\u0456\u0432. \u042f\u043a\u0449\u043e \u0432\u0438 \u043c\u0430\u0454\u0442\u0435 \u0441\u043a\u0430\u0440\u0433\u0438 \u043d\u0430 \u0432\u0442\u043e\u043c\u0443, \u0431\u043b\u0456\u0434\u0456\u0441\u0442\u044c \u0430\u0431\u043e \u0432\u0438\u043f\u0430\u0434\u0456\u043d\u043d\u044f \u0432\u043e\u043b\u043e\u0441\u0441\u044f \u2014 \u043d\u0435 \u0456\u0433\u043d\u043e\u0440\u0443\u0439\u0442\u0435 \u0446\u0435 \u0434\u043e\u0441\u043b\u0456\u0434\u0436\u0435\u043d\u043d\u044f, \u0430\u0434\u0436\u0435 \u0432\u043e\u043d\u043e \u043c\u043e\u0436\u0435 \u0434\u0430\u0442\u0438 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u044c \u043d\u0430 \u0437\u0430\u043f\u0438\u0442\u0430\u043d\u043d\u044f \u043f\u0440\u043e \u043f\u0440\u0438\u0447\u0438\u043d\u0443 \u043d\u0435\u0437\u0434\u0443\u0436\u0430\u043d\u043d\u044f.<\/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":"","_flow_reviewer_id":0,"_flow_review_status":""},"categories":[237,233],"tags":[],"class_list":["post-9441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vitaminy-ta-mikroelementy","category-rozshyfrovka-analiziv-ta-pidgotovka"],"_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":1,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9441\/revisions"}],"predecessor-version":[{"id":16484,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/9441\/revisions\/16484"}],"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}]}}