{"id":8852,"date":"2025-04-02T20:05:46","date_gmt":"2025-04-02T17:05:46","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=8852"},"modified":"2026-04-20T18:54:33","modified_gmt":"2026-04-20T15:54:33","slug":"laboratory-studies-questions-and-answers-that-are-worth-knowing-about-each-person","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/laboratory-studies-questions-and-answers-that-are-worth-knowing-about-each-person\/","title":{"rendered":"Laboratory tests: questions and answers that everyone should know"},"content":{"rendered":"<h3 class=\"\" data-start=\"241\" data-end=\"277\"><strong>What are laboratory tests?<\/strong><\/h3>\n<p class=\"\" data-start=\"279\" data-end=\"581\">These are medical tests that are performed on human biological materials \u2014 blood, urine, feces, smears, sputum, tissues, etc. They allow doctors to detect inflammatory processes, organ dysfunction, the presence of infections, hormonal or immune failures, as well as predisposition to certain diseases.<\/p>\n<h3 class=\"\" data-start=\"583\" data-end=\"619\"><strong>What are the laboratory tests?<\/strong><\/h3>\n<p class=\"\" data-start=\"621\" data-end=\"681\">Laboratory studies are divided into several main groups:<\/p>\n<ul data-start=\"683\" data-end=\"1106\">\n<li class=\"\" data-start=\"683\" data-end=\"733\">\n<p class=\"\" data-start=\"685\" data-end=\"733\"><strong data-start=\"685\" data-end=\"705\">General clinical<\/strong>: blood, urine, stool analysis<\/p>\n<\/li>\n<li class=\"\" data-start=\"734\" data-end=\"793\">\n<p class=\"\" data-start=\"736\" data-end=\"793\"><strong data-start=\"736\" data-end=\"750\">Biochemical<\/strong>: glucose, liver enzymes, cholesterol<\/p>\n<\/li>\n<li class=\"\" data-start=\"794\" data-end=\"840\">\n<p class=\"\" data-start=\"796\" data-end=\"840\"><strong data-start=\"796\" data-end=\"812\">Immunological<\/strong>: antibodies, immunoglobulins<\/p>\n<\/li>\n<li class=\"\" data-start=\"841\" data-end=\"903\">\n<p class=\"\" data-start=\"843\" data-end=\"903\"><strong data-start=\"843\" data-end=\"858\">Hormonal<\/strong>: thyroid gland, reproductive hormones<\/p>\n<\/li>\n<li class=\"\" data-start=\"904\" data-end=\"960\">\n<p class=\"\" data-start=\"906\" data-end=\"960\"><strong data-start=\"906\" data-end=\"920\">Infectious<\/strong>: detection of viruses, bacteria, fungi<\/p>\n<\/li>\n<li class=\"\" data-start=\"961\" data-end=\"1013\">\n<p class=\"\" data-start=\"963\" data-end=\"1013\"><strong data-start=\"963\" data-end=\"976\">Genetic<\/strong>: detection of hereditary changes, mutations<\/p>\n<\/li>\n<li class=\"\" data-start=\"1014\" data-end=\"1051\">\n<p class=\"\" data-start=\"1016\" data-end=\"1051\"><strong data-start=\"1016\" data-end=\"1032\">Coagulogram<\/strong>: blood clotting<\/p>\n<\/li>\n<li class=\"\" data-start=\"1052\" data-end=\"1106\">\n<p class=\"\" data-start=\"1054\" data-end=\"1106\"><strong data-start=\"1054\" data-end=\"1078\">Cytology\/histology<\/strong>: research of cells, tissues<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1108\" data-end=\"1153\"><strong>When does a doctor order laboratory tests?<\/strong><\/h3>\n<ul data-start=\"1155\" data-end=\"1424\">\n<li class=\"\" data-start=\"1155\" data-end=\"1209\">\n<p class=\"\" data-start=\"1157\" data-end=\"1209\">When symptoms appear (fever, pain, weakness)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1210\" data-end=\"1236\">\n<p class=\"\" data-start=\"1212\" data-end=\"1236\">To clarify the diagnosis<\/p>\n<\/li>\n<li class=\"\" data-start=\"1237\" data-end=\"1269\">\n<p class=\"\" data-start=\"1239\" data-end=\"1269\">Before surgery<\/p>\n<\/li>\n<li class=\"\" data-start=\"1270\" data-end=\"1308\">\n<p class=\"\" data-start=\"1272\" data-end=\"1308\">To control chronic diseases<\/p>\n<\/li>\n<li class=\"\" data-start=\"1309\" data-end=\"1354\">\n<p class=\"\" data-start=\"1311\" data-end=\"1354\">After treatment \u2014 check the effectiveness<\/p>\n<\/li>\n<li class=\"\" data-start=\"1355\" data-end=\"1424\">\n<p class=\"\" data-start=\"1357\" data-end=\"1424\">During a preventive examination (once a year - recommended for everyone)<\/p>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8854\" src=\"https:\/\/medilab.km.ua\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1.jpg\" alt=\"List of common laboratory tests\" width=\"1200\" height=\"580\" srcset=\"\" data-srcset=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1.jpg 1200w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1-150x73.jpg 150w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1-600x290.jpg 600w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1-300x145.jpg 300w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1-1024x495.jpg 1024w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2025\/04\/woman-working-chemical-project-new-discovery-1-768x371.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3 class=\"\" data-start=\"1426\" data-end=\"1470\"><strong>What tests should be taken preventively?<\/strong><\/h3>\n<ul data-start=\"1472\" data-end=\"1781\">\n<li class=\"\" data-start=\"1472\" data-end=\"1498\">\n<p class=\"\" data-start=\"1474\" data-end=\"1498\"><a href=\"https:\/\/medilab.km.ua\/en\/what-does-a-general-blood-test-show-and-how-to-prepare\/\">Complete blood count<\/a><\/p>\n<\/li>\n<li class=\"\" data-start=\"1499\" data-end=\"1524\">\n<p class=\"\" data-start=\"1501\" data-end=\"1524\">General urine analysis<\/p>\n<\/li>\n<li class=\"\" data-start=\"1525\" data-end=\"1589\">\n<p class=\"\" data-start=\"1527\" data-end=\"1589\">Biochemistry (liver and kidney parameters, sugar, cholesterol)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1590\" data-end=\"1627\">\n<p class=\"\" data-start=\"1592\" data-end=\"1627\">Thyroid hormones (TSH)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1628\" data-end=\"1669\">\n<p class=\"\" data-start=\"1630\" data-end=\"1669\">Vitamin D, ferritin - for frequent fatigue<\/p>\n<\/li>\n<li class=\"\" data-start=\"1670\" data-end=\"1727\">\n<p class=\"\" data-start=\"1672\" data-end=\"1727\">Hepatitis B and C test (once in a lifetime or at risk)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1728\" data-end=\"1781\">\n<p class=\"\" data-start=\"1730\" data-end=\"1781\">PCR for major infections - when planning pregnancy<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1783\" data-end=\"1816\"><strong>How to prepare for tests?<\/strong><\/h3>\n<ul data-start=\"1818\" data-end=\"2134\">\n<li class=\"\" data-start=\"1818\" data-end=\"1883\">\n<p class=\"\" data-start=\"1820\" data-end=\"1883\">Most tests are passed <strong data-start=\"1846\" data-end=\"1860\">on an empty stomach<\/strong> (don&#039;t eat for 8\u201312 hours)<\/p>\n<\/li>\n<li class=\"\" data-start=\"1884\" data-end=\"1959\">\n<p class=\"\" data-start=\"1886\" data-end=\"1959\">In the morning: no smoking, no coffee, water is acceptable in small quantities<\/p>\n<\/li>\n<li class=\"\" data-start=\"1960\" data-end=\"2006\">\n<p class=\"\" data-start=\"1962\" data-end=\"2006\">For 1\u20132 days: do not drink alcohol, fatty foods<\/p>\n<\/li>\n<li class=\"\" data-start=\"2007\" data-end=\"2063\">\n<p class=\"\" data-start=\"2009\" data-end=\"2063\">If you are taking medication, tell your doctor or laboratory technician.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2064\" data-end=\"2134\">\n<p class=\"\" data-start=\"2066\" data-end=\"2134\">Important for hormones <strong data-start=\"2087\" data-end=\"2101\">cycle phase<\/strong> (for women - check with your gynecologist)<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"2136\" data-end=\"2181\"><strong>What errors can distort the results?<\/strong><\/h3>\n<ul data-start=\"2183\" data-end=\"2423\">\n<li class=\"\" data-start=\"2183\" data-end=\"2237\">\n<p class=\"\" data-start=\"2185\" data-end=\"2237\">Failure to follow a diet or drinking alcohol the day before<\/p>\n<\/li>\n<li class=\"\" data-start=\"2238\" data-end=\"2292\">\n<p class=\"\" data-start=\"2240\" data-end=\"2292\">Intense physical activity before donating blood<\/p>\n<\/li>\n<li class=\"\" data-start=\"2293\" data-end=\"2329\">\n<p class=\"\" data-start=\"2295\" data-end=\"2329\">Independently changing the dosage of medications<\/p>\n<\/li>\n<li class=\"\" data-start=\"2330\" data-end=\"2370\">\n<p class=\"\" data-start=\"2332\" data-end=\"2370\">Improper collection of urine, feces, and swabs<\/p>\n<\/li>\n<li class=\"\" data-start=\"2371\" data-end=\"2423\">\n<p class=\"\" data-start=\"2373\" data-end=\"2423\">Stress \u2014 it can affect hormonal levels<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"2425\" data-end=\"2463\"><strong>How often do you need to take tests?<\/strong><\/h3>\n<ul data-start=\"2465\" data-end=\"2659\">\n<li class=\"\" data-start=\"2465\" data-end=\"2486\">\n<p class=\"\" data-start=\"2467\" data-end=\"2486\">General - annually<\/p>\n<\/li>\n<li class=\"\" data-start=\"2487\" data-end=\"2548\">\n<p class=\"\" data-start=\"2489\" data-end=\"2548\">Biochemical - as recommended by a doctor (sometimes every 6 months)<\/p>\n<\/li>\n<li class=\"\" data-start=\"2549\" data-end=\"2592\">\n<p class=\"\" data-start=\"2551\" data-end=\"2592\">Hormones - upon complaints or observation<\/p>\n<\/li>\n<li class=\"\" data-start=\"2593\" data-end=\"2659\">\n<p class=\"\" data-start=\"2595\" data-end=\"2659\">After 40 years of age - advanced diagnostics (including tumor markers)<\/p>\n<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"2661\" data-end=\"2711\"><strong>Can I get tested without a doctor&#039;s referral?<\/strong><\/h3>\n<p class=\"\" data-start=\"2713\" data-end=\"2920\">Yes, in most private laboratories you can take any test yourself. But it is important: <strong data-start=\"2810\" data-end=\"2867\">Interpretation of results should be the responsibility of the doctor.<\/strong>, especially if you are not sure how to interpret them.<\/p>\n<h3 class=\"\" data-start=\"2922\" data-end=\"2974\"><strong>Table: Examples of laboratory tests by purpose<\/strong><\/h3>\n<div class=\"overflow-x-auto contain-inline-size\">\n<table data-start=\"2976\" data-end=\"3808\">\n<thead data-start=\"2976\" data-end=\"3079\">\n<tr data-start=\"2976\" data-end=\"3079\">\n<th data-start=\"2976\" data-end=\"3003\">Goal<\/th>\n<th data-start=\"3003\" data-end=\"3035\">Analysis<\/th>\n<th data-start=\"3035\" data-end=\"3079\">Comment<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3184\" data-end=\"3808\">\n<tr data-start=\"3184\" data-end=\"3288\">\n<td>Checking the general condition<\/td>\n<td><a class=\"wpil_keyword_link\" 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\/\"   title=\"Complete blood count + Complete blood count (manual count): WBC, Lym, Mid, Grn, Lym %, Mid %, Grn %, RBC, Hb, Hct, MCV, MCH, MCHC, RDW, Plt, Pct, MPV, PDW, 3 histograms (WBC, RBC, PLT). ESR + manual count of complete blood count)\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"345\">Complete blood count<\/a>, urine<\/td>\n<td>Prevention, baseline assessment<\/td>\n<\/tr>\n<tr data-start=\"3289\" data-end=\"3392\">\n<td>Liver assessment<\/td>\n<td>ALT, AST, bilirubin<\/td>\n<td>Biochemical profile<\/td>\n<\/tr>\n<tr data-start=\"3393\" data-end=\"3496\">\n<td>Diabetes screening<\/td>\n<td>Glucose, <a href=\"https:\/\/medilab.km.ua\/en\/analysis\/biochemical-blood-tests\/diabetes-diagnosis\/glycosylated-hemoglobin-hba1c\/\">HbA1c<\/a><\/td>\n<td>It is better to pass together.<\/td>\n<\/tr>\n<tr data-start=\"3497\" data-end=\"3600\">\n<td>Thyroid gland<\/td>\n<td>TSH, T4, T3<\/td>\n<td>On an empty stomach, in the morning<\/td>\n<\/tr>\n<tr data-start=\"3601\" data-end=\"3704\">\n<td>Pregnancy planning<\/td>\n<td>Torch-complex, PCR<\/td>\n<td>Detection of hidden infections<\/td>\n<\/tr>\n<tr data-start=\"3705\" data-end=\"3808\">\n<td>After COVID-19<\/td>\n<td>D-dimer, <a href=\"https:\/\/medilab.km.ua\/en\/analysis\/study-of-blood-clotting-functions\/coagulogram\/\">coagulogram<\/a><\/td>\n<td>As needed: clotting, inflammation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Laboratory tests are not just &quot;another test,&quot; but an important tool in maintaining health. If they are taken regularly and correctly, you can avoid serious complications and detect diseases in time, even before symptoms appear.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>What are laboratory tests? These are medical tests that are performed on human biological materials - blood, urine, feces, smears, sputum, tissues<\/p>","protected":false},"author":627,"featured_media":8855,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8852","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\/8852","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=8852"}],"version-history":[{"count":0,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/8852\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/8855"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=8852"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/categories?post=8852"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/tags?post=8852"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}