{"id":11488,"date":"2026-02-28T12:47:17","date_gmt":"2026-02-28T10:47:17","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=11488"},"modified":"2026-04-29T14:06:53","modified_gmt":"2026-04-29T11:06:53","slug":"analyzes-for-the-diagnosis-of-intestinal-diseases-accurate-and-fast-diagnosis","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/analyzes-for-the-diagnosis-of-intestinal-diseases-accurate-and-fast-diagnosis\/","title":{"rendered":"Tests for diagnosing intestinal diseases: accurate and rapid diagnosis"},"content":{"rendered":"<p data-start=\"94\" data-end=\"515\">Intestinal diseases are one of the leading reasons for seeking medical attention. Abdominal pain, diarrhea, constipation, bloating, blood in the stool, or prolonged weakness can be signs of both functional disorders and serious inflammatory or infectious processes. That is why <strong data-start=\"375\" data-end=\"423\">tests for diagnosing intestinal diseases<\/strong> is a key tool for establishing an accurate diagnosis and selecting the right treatment.<\/p>\n<p data-start=\"517\" data-end=\"560\">Timely laboratory diagnostics allows:<\/p>\n<ul data-start=\"562\" data-end=\"758\">\n<li data-start=\"562\" data-end=\"597\">\n<p data-start=\"564\" data-end=\"597\">identify the infectious agent<\/p>\n<\/li>\n<li data-start=\"598\" data-end=\"659\">\n<p data-start=\"600\" data-end=\"659\">confirm or rule out inflammatory bowel disease<\/p>\n<\/li>\n<li data-start=\"660\" data-end=\"689\">\n<p data-start=\"662\" data-end=\"689\">assess the degree of inflammation<\/p>\n<\/li>\n<li data-start=\"690\" data-end=\"724\">\n<p data-start=\"692\" data-end=\"724\">detect malabsorption<\/p>\n<\/li>\n<li data-start=\"725\" data-end=\"758\">\n<p data-start=\"727\" data-end=\"758\">prevent the development of complications<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"760\" data-end=\"802\">Why it is important not to delay getting tested<\/h2>\n<p data-start=\"804\" data-end=\"944\">Many intestinal pathologies in the early stages have nonspecific symptoms. Self-medication or postponing a visit to the doctor can lead to:<\/p>\n<ul data-start=\"946\" data-end=\"1068\">\n<li data-start=\"946\" data-end=\"968\">\n<p data-start=\"948\" data-end=\"968\">process chronology<\/p>\n<\/li>\n<li data-start=\"969\" data-end=\"988\">\n<p data-start=\"971\" data-end=\"988\">development of anemia<\/p>\n<\/li>\n<li data-start=\"989\" data-end=\"1004\">\n<p data-start=\"991\" data-end=\"1004\">dehydration<\/p>\n<\/li>\n<li data-start=\"1005\" data-end=\"1041\">\n<p data-start=\"1007\" data-end=\"1041\">exacerbation of concomitant diseases<\/p>\n<\/li>\n<li data-start=\"1042\" data-end=\"1068\">\n<p data-start=\"1044\" data-end=\"1068\">damage to other organs<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1070\" data-end=\"1191\">Regular and well-chosen <strong data-start=\"1103\" data-end=\"1151\">tests for diagnosing intestinal diseases<\/strong> allow you to avoid complex consequences.<\/p>\n<h2 data-start=\"1193\" data-end=\"1246\">Basic laboratory tests for intestinal symptoms<\/h2>\n<h3 data-start=\"1248\" data-end=\"1274\">Complete blood count<\/h3>\n<p data-start=\"1276\" data-end=\"1293\">Allows you to evaluate:<\/p>\n<ul data-start=\"1295\" data-end=\"1404\">\n<li data-start=\"1295\" data-end=\"1335\">\n<p data-start=\"1297\" data-end=\"1335\">leukocyte level (signs of inflammation)<\/p>\n<\/li>\n<li data-start=\"1336\" data-end=\"1369\">\n<p data-start=\"1338\" data-end=\"1369\"><a href=\"https:\/\/medilab.km.ua\/en\/checking-the-hemoglobin-level-one-analysis-changes-everything\/\">hemoglobin<\/a> (detection of anemia)<\/p>\n<\/li>\n<li data-start=\"1370\" data-end=\"1404\">\n<p data-start=\"1372\" data-end=\"1404\">erythrocyte sedimentation rate<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1406\" data-end=\"1452\">This is a basic marker of the body&#039;s systemic reaction.<\/p>\n<h3 data-start=\"1454\" data-end=\"1482\">C-reactive protein (CRP)<\/h3>\n<p data-start=\"1484\" data-end=\"1613\">Indicates the activity of the inflammatory process. Elevated CRP often accompanies bacterial infections and inflammatory bowel diseases.<\/p>\n<h3 data-start=\"1615\" data-end=\"1629\">Coprogram<\/h3>\n<p data-start=\"1631\" data-end=\"1674\">Stool examination allows you to assess:<\/p>\n<ul data-start=\"1676\" data-end=\"1764\">\n<li data-start=\"1676\" data-end=\"1704\">\n<p data-start=\"1678\" data-end=\"1704\">quality of food digestion<\/p>\n<\/li>\n<li data-start=\"1705\" data-end=\"1724\">\n<p data-start=\"1707\" data-end=\"1724\">presence of mucus<\/p>\n<\/li>\n<li data-start=\"1725\" data-end=\"1745\">\n<p data-start=\"1727\" data-end=\"1745\">leukocytes in stool<\/p>\n<\/li>\n<li data-start=\"1746\" data-end=\"1764\">\n<p data-start=\"1748\" data-end=\"1764\">occult blood<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1766\" data-end=\"1815\">This is one of the most informative primary analyses.<\/p>\n<h2 data-start=\"1817\" data-end=\"1870\">PCR and multiplex panels for intestinal infections<\/h2>\n<p data-start=\"1872\" data-end=\"1958\">Modern diagnostics increasingly uses PCR testing of feces. This method allows:<\/p>\n<ul data-start=\"1960\" data-end=\"2071\">\n<li data-start=\"1960\" data-end=\"1989\">\n<p data-start=\"1962\" data-end=\"1989\">quickly identify the pathogen<\/p>\n<\/li>\n<li data-start=\"1990\" data-end=\"2039\">\n<p data-start=\"1992\" data-end=\"2039\">detect even the smallest amount of pathogens<\/p>\n<\/li>\n<li data-start=\"2040\" data-end=\"2071\">\n<p data-start=\"2042\" data-end=\"2071\">avoid delaying treatment<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2073\" data-end=\"2176\"><a href=\"https:\/\/medilab.km.ua\/en\/multiplex-analysis-accurate-diagnostics-at-once-for-several-indicators\/\">Multiplex panel<\/a>and allow you to test for multiple viruses, bacteria, and parasites in a single test.<\/p>\n<p data-start=\"2178\" data-end=\"2204\">This is especially true when:<\/p>\n<ul data-start=\"2206\" data-end=\"2282\">\n<li data-start=\"2206\" data-end=\"2224\">\n<p data-start=\"2208\" data-end=\"2224\">acute diarrhea<\/p>\n<\/li>\n<li data-start=\"2225\" data-end=\"2247\">\n<p data-start=\"2227\" data-end=\"2247\">food poisoning<\/p>\n<\/li>\n<li data-start=\"2248\" data-end=\"2261\">\n<p data-start=\"2250\" data-end=\"2261\">traveling<\/p>\n<\/li>\n<li data-start=\"2262\" data-end=\"2282\">\n<p data-start=\"2264\" data-end=\"2282\">mass outbreaks<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2284\" data-end=\"2339\">Fecal calprotectin is a marker of intestinal inflammation.<\/h2>\n<p data-start=\"2341\" data-end=\"2375\">Fecal <a href=\"https:\/\/medilab.km.ua\/en\/price\/?3325_search_1=%D0%BA%D0%B0%D0%BB%D1%8C%D0%BF%D1%80%D0%BE%D1%82%D0%B5%D0%BA%D1%82%D0%B8%D0%BD&amp;3325_device=laptop&amp;3325_orderby=relevance&amp;3325_paged=1&amp;3325_filtered=true\">calprotectin<\/a> helps:<\/p>\n<ul data-start=\"2377\" data-end=\"2543\">\n<li data-start=\"2377\" data-end=\"2450\">\n<p data-start=\"2379\" data-end=\"2450\">distinguish irritable bowel syndrome from inflammatory bowel disease<\/p>\n<\/li>\n<li data-start=\"2451\" data-end=\"2512\">\n<p data-start=\"2453\" data-end=\"2512\">to control the course of Crohn&#039;s disease or ulcerative colitis<\/p>\n<\/li>\n<li data-start=\"2513\" data-end=\"2543\">\n<p data-start=\"2515\" data-end=\"2543\">evaluate the activity of the process<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2545\" data-end=\"2609\">This analysis is important for chronic pain and long-term symptoms.<\/p>\n<h2 data-start=\"2611\" data-end=\"2645\">Tests for suspected celiac disease<\/h2>\n<p data-start=\"2647\" data-end=\"2721\">For symptoms of malabsorption, anemia, or weight loss, your doctor may prescribe:<\/p>\n<ul data-start=\"2723\" data-end=\"2819\">\n<li data-start=\"2723\" data-end=\"2771\">\n<p data-start=\"2725\" data-end=\"2771\">antibodies to tissue transglutaminase (tTG)<\/p>\n<\/li>\n<li data-start=\"2772\" data-end=\"2789\">\n<p data-start=\"2774\" data-end=\"2789\">total IgA<\/p>\n<\/li>\n<li data-start=\"2790\" data-end=\"2819\">\n<p data-start=\"2792\" data-end=\"2819\">iron and ferritin levels<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2821\" data-end=\"2881\">Early diagnosis helps prevent systemic complications.<\/p>\n<h2 data-start=\"2883\" data-end=\"2917\">Advanced intestinal diagnostics<\/h2>\n<p data-start=\"2919\" data-end=\"2965\">In difficult cases, the following may be recommended:<\/p>\n<ul data-start=\"2967\" data-end=\"3079\">\n<li data-start=\"2967\" data-end=\"2993\">\n<p data-start=\"2969\" data-end=\"2993\">microbiome research<\/p>\n<\/li>\n<li data-start=\"2994\" data-end=\"3022\">\n<p data-start=\"2996\" data-end=\"3022\">occult blood test<\/p>\n<\/li>\n<li data-start=\"3023\" data-end=\"3054\">\n<p data-start=\"3025\" data-end=\"3054\">intestinal permeability test<\/p>\n<\/li>\n<li data-start=\"3055\" data-end=\"3079\">\n<p data-start=\"3057\" data-end=\"3079\">immunological markers<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3081\" data-end=\"3142\">The choice depends on the clinical picture and duration of symptoms.<\/p>\n<h2 data-start=\"3144\" data-end=\"3212\">Comparative table of tests for diagnosing intestinal diseases<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\">\n<div class=\"table-scroll\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3214\" data-end=\"3552\">\n<thead data-start=\"3214\" data-end=\"3258\">\n<tr data-start=\"3214\" data-end=\"3258\">\n<th class=\"\" data-start=\"3214\" data-end=\"3223\" data-col-size=\"sm\">Analysis<\/th>\n<th class=\"\" data-start=\"3223\" data-end=\"3237\" data-col-size=\"sm\">What determines<\/th>\n<th class=\"\" data-start=\"3237\" data-end=\"3258\" data-col-size=\"sm\">Main indication<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3303\" data-end=\"3552\">\n<tr data-start=\"3303\" data-end=\"3357\">\n<td data-start=\"3303\" data-end=\"3316\" data-col-size=\"sm\"><a href=\"https:\/\/medilab.km.ua\/en\/analysis\/diagnostics-of-gastrointestinal-diseases\/coprogram\/\">Coprogram<\/a><\/td>\n<td data-col-size=\"sm\" data-start=\"3316\" data-end=\"3333\">Digestive status<\/td>\n<td data-col-size=\"sm\" data-start=\"3333\" data-end=\"3357\">Primary diagnosis<\/td>\n<\/tr>\n<tr data-start=\"3358\" data-end=\"3408\">\n<td data-start=\"3358\" data-end=\"3369\" data-col-size=\"sm\">Stool PCR<\/td>\n<td data-col-size=\"sm\" data-start=\"3369\" data-end=\"3391\">Infectious pathogens<\/td>\n<td data-col-size=\"sm\" data-start=\"3391\" data-end=\"3408\">Acute diarrhea<\/td>\n<\/tr>\n<tr data-start=\"3409\" data-end=\"3464\">\n<td data-start=\"3409\" data-end=\"3425\" data-col-size=\"sm\">Calprotectin<\/td>\n<td data-col-size=\"sm\" data-start=\"3425\" data-end=\"3446\">Inflammation of the mucous membrane<\/td>\n<td data-col-size=\"sm\" data-start=\"3446\" data-end=\"3464\">Chronic pain<\/td>\n<\/tr>\n<tr data-start=\"3465\" data-end=\"3505\">\n<td data-start=\"3465\" data-end=\"3471\" data-col-size=\"sm\">SRB<\/td>\n<td data-start=\"3471\" data-end=\"3492\" data-col-size=\"sm\">Systemic inflammation<\/td>\n<td data-col-size=\"sm\" data-start=\"3492\" data-end=\"3505\">Fever<\/td>\n<\/tr>\n<tr data-start=\"3506\" data-end=\"3552\">\n<td data-start=\"3506\" data-end=\"3524\" data-col-size=\"sm\">Antibodies to tTG<\/td>\n<td data-col-size=\"sm\" data-start=\"3524\" data-end=\"3535\">Celiac disease<\/td>\n<td data-col-size=\"sm\" data-start=\"3535\" data-end=\"3552\">Malabsorption<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n<\/div>\n<h2 data-start=\"3554\" data-end=\"3585\">How to prepare for tests<\/h2>\n<p data-start=\"3587\" data-end=\"3615\">To ensure accurate results:<\/p>\n<ul data-start=\"3617\" data-end=\"3775\">\n<li data-start=\"3617\" data-end=\"3659\">\n<p data-start=\"3619\" data-end=\"3659\">do not take antibiotics without consent<\/p>\n<\/li>\n<li data-start=\"3660\" data-end=\"3691\">\n<p data-start=\"3662\" data-end=\"3691\">do not use laxatives<\/p>\n<\/li>\n<li data-start=\"3692\" data-end=\"3733\">\n<p data-start=\"3694\" data-end=\"3733\">observe hygiene when collecting material<\/p>\n<\/li>\n<li data-start=\"3734\" data-end=\"3775\">\n<p data-start=\"3736\" data-end=\"3775\">deliver the sample to the laboratory on time<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3777\" data-end=\"3849\">It is usually recommended to abstain from eating for 8\u201312 hours before donating blood.<\/p>\n<h2 data-start=\"3851\" data-end=\"3898\">Intestinal diseases in children and the elderly<\/h2>\n<p data-start=\"3900\" data-end=\"4102\">In children, symptoms can quickly lead to dehydration. In the elderly, intestinal pathologies often mask themselves as general weakness or anemia. That is why <a class=\"wpil_keyword_link\" href=\"https:\/\/medilab.km.ua\/en\/laboratory-studies-questions-and-answers-that-are-worth-knowing-about-each-person\/\"   title=\"Laboratory tests: questions and answers that everyone should know\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"68\">laboratory tests<\/a> are crucial.<\/p>\n<p data-start=\"3900\" data-end=\"4102\"><img decoding=\"async\" class=\"alignnone size-full wp-image-11490\" src=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research.jpg\" alt=\"PCR analysis of feces for intestinal infections\" width=\"1200\" height=\"675\" srcset=\"https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research.jpg 1200w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research-300x169.jpg 300w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research-1024x576.jpg 1024w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research-768x432.jpg 768w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research-18x10.jpg 18w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research-600x338.jpg 600w, https:\/\/medilab.km.ua\/wp-content\/uploads\/2026\/03\/woman-scientist-looking-blood-sample-tray-laboratory-analyzing-dna-diagnosis-chemist-with-gloves-protective-goggles-holding-glassware-with-substance-research-150x84.jpg 150w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2 data-start=\"4104\" data-end=\"4142\">When an urgent examination is necessary<\/h2>\n<p data-start=\"4144\" data-end=\"4177\">Immediate diagnosis is required for:<\/p>\n<ul data-start=\"4179\" data-end=\"4307\">\n<li data-start=\"4179\" data-end=\"4195\">\n<p data-start=\"4181\" data-end=\"4195\">blood in the stool<\/p>\n<\/li>\n<li data-start=\"4196\" data-end=\"4222\">\n<p data-start=\"4198\" data-end=\"4222\">severe abdominal pain<\/p>\n<\/li>\n<li data-start=\"4223\" data-end=\"4249\">\n<p data-start=\"4225\" data-end=\"4249\">temperature above 38\u00b0C<\/p>\n<\/li>\n<li data-start=\"4250\" data-end=\"4281\">\n<p data-start=\"4252\" data-end=\"4281\">prolonged diarrhea for more than 3 days<\/p>\n<\/li>\n<li data-start=\"4282\" data-end=\"4307\">\n<p data-start=\"4284\" data-end=\"4307\">sudden weight loss<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"4309\" data-end=\"4376\">Frequently asked questions about tests for diagnosing intestinal diseases<\/h2>\n<p data-start=\"4378\" data-end=\"4555\"><strong data-start=\"4378\" data-end=\"4431\">Can the cause of pain be determined by tests alone?<\/strong><br data-start=\"4431\" data-end=\"4434\" \/>The laboratory helps to establish the direction of diagnosis, but the final conclusion is made by the doctor based on a comprehensive assessment.<\/p>\n<p data-start=\"4557\" data-end=\"4668\"><strong data-start=\"4557\" data-end=\"4593\">How long do I have to wait for results?<\/strong><br data-start=\"4593\" data-end=\"4596\" \/>PCR tests can be ready within 1\u20132 days, basic tests can be done faster.<\/p>\n<p data-start=\"4670\" data-end=\"4757\"><strong data-start=\"4670\" data-end=\"4713\">Do I need to take all the tests at once?<\/strong><br data-start=\"4713\" data-end=\"4716\" \/>No. The doctor selects the list individually.<\/p>\n<p data-start=\"4777\" data-end=\"5080\"><strong data-start=\"4777\" data-end=\"4825\">Tests for diagnosing intestinal diseases<\/strong> \u2014 is the basis of precision medicine. They allow you to distinguish infection from inflammation, identify chronic processes, and avoid dangerous complications. Timely laboratory examination is a step towards a quick recovery of health and prevention of repeated exacerbations.<\/p>","protected":false},"excerpt":{"rendered":"<p>Intestinal diseases are one of the leading reasons for seeking medical attention. Abdominal pain, diarrhea, constipation, bloating, blood impurities<\/p>","protected":false},"author":5,"featured_media":11489,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-11488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zahvoryuvannya-ta-symptomy"],"_links":{"self":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/11488","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/comments?post=11488"}],"version-history":[{"count":0,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/posts\/11488\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media\/11489"}],"wp:attachment":[{"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/media?parent=11488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/categories?post=11488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medilab.km.ua\/en\/wp-json\/wp\/v2\/tags?post=11488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}