{"id":9157,"date":"2024-10-18T18:31:04","date_gmt":"2024-10-18T15:31:04","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=9157"},"modified":"2026-04-20T18:55:24","modified_gmt":"2026-04-20T15:55:24","slug":"blood-test-for-folic-acid-step-by-step-instructions","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/blood-test-for-folic-acid-step-by-step-instructions\/","title":{"rendered":"Folic acid blood test: step-by-step instructions"},"content":{"rendered":"<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;9157&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1730&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;4.9&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;4.9\\\/5 - (1730 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;\u0410\u043d\u0430\u043b\u0456\u0437 \u043a\u0440\u043e\u0432\u0456 \u043d\u0430 \u0444\u043e\u043b\u0456\u0454\u0432\u0443 \u043a\u0438\u0441\u043b\u043e\u0442\u0443: \u043f\u043e\u043a\u0440\u043e\u043a\u043e\u0432\u0430 \u0456\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f&quot;,&quot;width&quot;:&quot;139.6&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 139.6px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            4.9\/5 - (1730 votes)    <\/div>\n    <\/div>\n<p data-start=\"837\" data-end=\"907\">Sometimes we look for the causes of constant fatigue, memory impairment or low mood in complex diagnoses, while the cause may be much simpler - folic acid deficiency. This vitamin imperceptibly, but vitally supports the work of our hematopoietic, nervous and immune systems. Its level becomes especially relevant for those who are preparing to become parents, suffer from anemia or have chronic gastrointestinal diseases. That is why a blood test for folic acid is not a formality, but an important tool in maintaining health.<\/p>\n<h2 class=\"\" data-start=\"381\" data-end=\"422\"><strong data-start=\"384\" data-end=\"422\">Step 1. Understanding the role <a href=\"https:\/\/medilab.km.ua\/en\/analysis\/biochemical-blood-tests\/anemia-diagnosis\/vitamin-v9-folic-acid\/\">vitamin B9<\/a><\/strong><\/h2>\n<p class=\"\" data-start=\"424\" data-end=\"638\">Folic acid is a B vitamin that is involved in cell division, DNA synthesis, and red blood cell production. It is especially important during periods of active growth, pregnancy, and for the functioning of the nervous and hematopoietic systems.<\/p>\n<p class=\"\" data-start=\"640\" data-end=\"781\"><strong data-start=\"640\" data-end=\"682\">When blood folate levels drop<\/strong>, symptoms of weakness, sleep disturbances, anemia, depression, or fetal growth retardation may appear.<\/p>\n<h2 class=\"\" data-start=\"783\" data-end=\"835\"><strong data-start=\"786\" data-end=\"835\">Step 2. Determining the indications for taking the analysis<\/strong><\/h2>\n<p class=\"\" data-start=\"837\" data-end=\"907\">It is recommended to consult a doctor and get tested in the following situations:<\/p>\n<ul data-start=\"909\" data-end=\"1252\">\n<li class=\"\" data-start=\"909\" data-end=\"968\">\n<p class=\"\" data-start=\"911\" data-end=\"968\">planning pregnancy or the first weeks after it occurs<\/p>\n<\/li>\n<li class=\"\" data-start=\"969\" data-end=\"1014\">\n<p class=\"\" data-start=\"971\" data-end=\"1014\">chronic fatigue, unexplained dizziness<\/p>\n<\/li>\n<li class=\"\" data-start=\"1015\" data-end=\"1082\">\n<p class=\"\" data-start=\"1017\" data-end=\"1082\">changes in complete blood count (especially macrocytic anemia)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1083\" data-end=\"1115\">\n<p class=\"\" data-start=\"1085\" data-end=\"1115\">intestinal or stomach diseases<\/p>\n<\/li>\n<li class=\"\" data-start=\"1116\" data-end=\"1161\">\n<p class=\"\" data-start=\"1118\" data-end=\"1161\">diets with restrictions on fresh vegetables and grains<\/p>\n<\/li>\n<li class=\"\" data-start=\"1162\" data-end=\"1252\">\n<p class=\"\" data-start=\"1164\" data-end=\"1252\">taking medications that reduce folate absorption (e.g., methotrexate, anticonvulsants)<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"1254\" data-end=\"1290\"><strong data-start=\"1257\" data-end=\"1290\">Step 3. Preparing for analysis<\/strong><\/h2>\n<p class=\"\" data-start=\"1292\" data-end=\"1317\">To ensure accurate results:<\/p>\n<ul data-start=\"1319\" data-end=\"1550\">\n<li class=\"\" data-start=\"1319\" data-end=\"1355\">\n<p class=\"\" data-start=\"1321\" data-end=\"1355\">do not eat for 8\u201312 hours before the test<\/p>\n<\/li>\n<li class=\"\" data-start=\"1356\" data-end=\"1408\">\n<p class=\"\" data-start=\"1358\" data-end=\"1408\">It is advisable not to take vitamin supplements for 1\u20132 days.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1409\" data-end=\"1471\">\n<p class=\"\" data-start=\"1411\" data-end=\"1471\">inform the laboratory about all medications you are taking<\/p>\n<\/li>\n<li class=\"\" data-start=\"1472\" data-end=\"1550\">\n<p class=\"\" data-start=\"1474\" data-end=\"1550\">donate blood <strong data-start=\"1488\" data-end=\"1498\">in the morning<\/strong> \u2014 this is the most optimal time for vitamin indicators<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-9159\" src=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor.jpg\" alt=\"doctor advises patient about analysis\" width=\"1200\" height=\"800\" srcset=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor.jpg 1200w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor-150x100.jpg 150w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor-600x400.jpg 600w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor-300x200.jpg 300w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor-1024x683.jpg 1024w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/side-view-woman-talking-doctor-768x512.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2 class=\"\" data-start=\"1552\" data-end=\"1590\"><strong data-start=\"1555\" data-end=\"1590\">Step 4. Blood sampling<\/strong><\/h2>\n<p class=\"\" data-start=\"1592\" data-end=\"1730\">The sample is taken from the elbow vein. The sample volume is a few milliliters of serum. The procedure takes up to 5 minutes and is safe and painless.<\/p>\n<h2 class=\"\" data-start=\"1732\" data-end=\"1772\"><strong data-start=\"1735\" data-end=\"1772\">Step 5. Interpretation of results<\/strong><\/h2>\n<h3 class=\"\" data-start=\"1774\" data-end=\"1788\"><strong data-start=\"1778\" data-end=\"1787\">Norm<\/strong>:<\/h3>\n<ul data-start=\"1789\" data-end=\"1849\">\n<li class=\"\" data-start=\"1789\" data-end=\"1849\">\n<p class=\"\" data-start=\"1791\" data-end=\"1849\">from 3 to 17 ng\/ml (may vary depending on the laboratory)<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1851\" data-end=\"1883\"><strong data-start=\"1855\" data-end=\"1882\">What do deviations mean?<\/strong>:<\/h3>\n<ul data-start=\"1884\" data-end=\"2172\">\n<li class=\"\" data-start=\"1884\" data-end=\"1961\">\n<p class=\"\" data-start=\"1886\" data-end=\"1961\"><strong data-start=\"1886\" data-end=\"1899\">&lt; 3 ng\/ml<\/strong>: possible deficiency due to nutrition, gastrointestinal diseases, pregnancy<\/p>\n<\/li>\n<li class=\"\" data-start=\"1962\" data-end=\"2075\">\n<p class=\"\" data-start=\"1964\" data-end=\"2075\"><strong data-start=\"1964\" data-end=\"1978\">&gt; 20 ng\/ml<\/strong>: usually associated with excess vitamin from supplements, is not toxic but requires dose adjustment<\/p>\n<\/li>\n<li class=\"\" data-start=\"2076\" data-end=\"2172\">\n<p class=\"\" data-start=\"2078\" data-end=\"2172\"><strong data-start=\"2078\" data-end=\"2099\">Intermediate values<\/strong>: may require re-monitoring, especially if symptoms are present<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2174\" data-end=\"2210\"><strong data-start=\"2177\" data-end=\"2210\">Step 6. Additional research<\/strong><\/h2>\n<p class=\"\" data-start=\"2212\" data-end=\"2257\">Folic acid testing is often combined with:<\/p>\n<ul data-start=\"2259\" data-end=\"2491\">\n<li class=\"\" data-start=\"2259\" data-end=\"2297\">\n<p class=\"\" data-start=\"2261\" data-end=\"2297\">level determination <strong data-start=\"2279\" data-end=\"2295\">vitamin B12<\/strong><\/p>\n<\/li>\n<li class=\"\" data-start=\"2298\" data-end=\"2360\">\n<p class=\"\" data-start=\"2300\" data-end=\"2360\">inspection <strong data-start=\"2311\" data-end=\"2327\">homocysteine<\/strong> \u2014 increases with B9 deficiency<\/p>\n<\/li>\n<li class=\"\" data-start=\"2361\" data-end=\"2413\">\n<p class=\"\" data-start=\"2363\" data-end=\"2413\"><a href=\"https:\/\/medilab.km.ua\/en\/analysis\/hematological-panel\/zagalnyj-rozgornutyj-analiz-krovi-avtomatychnyj-analyzer-wbc-lym-mid-grn-lym-mid-grn-rbc-hb-hct-mcv-mch-mchc-rdw-plt-pct-mpv-pdw-3-histogramy-wbc-rbc-plt-shoe-ruchnyj-pidrahunok-lejkotsytarnoyi-fo\/\">complete blood count<\/a> to assess the form of anemia<\/p>\n<\/li>\n<li class=\"\" data-start=\"2414\" data-end=\"2491\">\n<p class=\"\" data-start=\"2416\" data-end=\"2491\">liver or intestinal function tests if malabsorption is suspected<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"2493\" data-end=\"2522\"><strong data-start=\"2496\" data-end=\"2522\">Step 7. What to do next<\/strong><\/h2>\n<p class=\"\" data-start=\"2524\" data-end=\"2546\">If a deficiency is detected:<\/p>\n<ul data-start=\"2548\" data-end=\"2843\">\n<li class=\"\" data-start=\"2548\" data-end=\"2634\">\n<p class=\"\" data-start=\"2550\" data-end=\"2634\">the doctor will prescribe folic acid supplements - the standard dose is 400\u2013800 mcg per day<\/p>\n<\/li>\n<li class=\"\" data-start=\"2635\" data-end=\"2736\">\n<p class=\"\" data-start=\"2637\" data-end=\"2736\">in some cases required <strong data-start=\"2664\" data-end=\"2692\">methylated form of folate<\/strong> (with genetic metabolic characteristics)<\/p>\n<\/li>\n<li class=\"\" data-start=\"2737\" data-end=\"2843\">\n<p class=\"\" data-start=\"2739\" data-end=\"2843\">importantly <strong data-start=\"2747\" data-end=\"2781\">monitor the level periodically<\/strong>, especially in chronic diseases or during pregnancy<\/p>\n<\/li>\n<\/ul>\n<p>Early detection of folic acid deficiency is an opportunity to prevent serious consequences: from anemia to pregnancy complications. A simple blood test helps assess the state of metabolism and allows you to act proactively. Taking care of folate levels is taking care of the foundation of cell health, energy, and life balance.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Sometimes we look for the causes of constant fatigue, memory loss or low mood in complex diagnoses, while the cause may be much simpler.<\/p>","protected":false},"author":627,"featured_media":9158,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0410\u043d\u0430\u043b\u0456\u0437 \u043a\u0440\u043e\u0432\u0456 \u043d\u0430 \u0444\u043e\u043b\u0456\u0454\u0432\u0443 \u043a\u0438\u0441\u043b\u043e\u0442\u0443: 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