{"id":12495,"date":"2021-03-18T12:11:54","date_gmt":"2021-03-18T17:11:54","guid":{"rendered":"https:\/\/www.osfhealthcare.org\/blog\/?p=12495"},"modified":"2021-10-05T08:44:02","modified_gmt":"2021-10-05T13:44:02","slug":"why-and-when-you-need-blood-work","status":"publish","type":"post","link":"https:\/\/osf-blog.live.imagescape.com\/blog\/why-and-when-you-need-blood-work\/","title":{"rendered":"Why and when you need blood work"},"content":{"rendered":"<p>Blood work provides essential insight into how your organs are functioning.<\/p>\n<p>Blood tests have multiple benefits, including:<\/p>\n<ul>\n<li>Determining your risk status for disease and conditions<\/li>\n<li>Checking treatment success<\/li>\n<li>Early diagnosis of some conditions before symptoms or complications develop<\/li>\n<li>Identifying treatment side effects<\/li>\n<li>Monitoring chronic disease status and progression<\/li>\n<\/ul>\n<h2>How often should I have blood work?<\/h2>\n<p>It is common for your <a href=\"https:\/\/www.osfhealthcare.org\/blog\/find-a-primary-care-physician\/\">primary care provider<\/a>\u00a0(PCP) to order blood tests from time to time. If you are unsure about the tests, talk to your PCP and have them explain what the test is for and why you need it.<\/p>\n<div class=\"alignright cta\">\n<p>Stay on top of your health<\/p>\n<p><a href=\"https:\/\/www.osfmychart.org\/osfmychart\/Authentication\/Login?\">Schedule your appointment<\/a><\/p>\n<\/div>\n<p>The reason your PCP orders a blood test will likely depend on several factors, including:<\/p>\n<ul>\n<li>Age<\/li>\n<li>Chronic conditions under evaluation or treatment<\/li>\n<li>Family history<\/li>\n<li>Health screenings<\/li>\n<li>Lifestyle<\/li>\n<li>Medical history<\/li>\n<li>Specific concerns<\/li>\n<\/ul>\n<p><a href=\"https:\/\/providers.osfhealthcare.org\/provider\/Mark+A.+Meeker\/1464914?name=Mark%20A.%20Meeker&amp;sort=networks%2C%20relevance\">Mark Meeker, DO<\/a>, an internal medicine physician and vice president of Community Medicine for OSF HealthCare, said that an acute illness, unexpected change in chronic disease and new history or physical findings most commonly lead to unscheduled blood work.<\/p>\n<p>\u201cThe frequency of blood work is individualized based on a person\u2019s situation and needs. It is influenced by sex, age, symptoms, diagnoses, medications and family history,\u201d Dr. Meeker said. \u201cLab work requires an order from your PCP or specialty clinician to help guard against waste and harm from inappropriate testing.\u201d<\/p>\n<p>General screening blood tests are sex- and age-dependent and included in some <a href=\"https:\/\/www.osfhealthcare.org\/blog\/talking-to-your-primary-care-provider\/\">wellness visits<\/a>. The most important blood tests are those your PCP determines are necessary.\u00a0These especially include those that monitor for medication effectiveness and side effects or safety.<\/p>\n<p>Keep in mind that\u00a0a medication or disease process has to affect specific levels of markers in the bloodstream for it to show up on a blood test.<\/p>\n<p>\u201cFor example, a person may have a mass in their lung that\u2019s visible through X-ray but has no effect on standard blood tests at that stage of the disease,\u201d Dr. Meeker said. \u201cThat is why good care requires a history, listening to a person and a physical exam. We can observe and look for physical abnormalities and possibly blood tests or imaging studies to confirm history or physical suspicions to find an issue not heard or seen.\u201d<\/p>\n<h2>Do I need to prepare?<\/h2>\n<p>While a few procedures and blood tests require you to follow specific guidelines, you usually don\u2019t have to take any precautions.<\/p>\n<p>\u201cMost blood tests can be done and interpreted regardless of last meal or time of day you ate. There are a few blood tests that may need to be done fasting or at a specific time,\u201d Dr. Meeker said. \u201cBlood tests on levels of a few specific medications may need to be timed specifically before or after a scheduled dose, but your primary care provider should give you specific instructions in those rare occurrences.\u201d<\/p>\n<h2>How soon can I expect to receive results?<\/h2>\n<p>With modern electronic health records, we have easy access to test results through online medical record platforms, like <a href=\"https:\/\/www.osfhealthcare.org\/mychart\/\">OSF MyChart<\/a>.<\/p>\n<p>How quickly results are available depends on the specific test.<\/p>\n<p>\u201cMost routine tests come back within hours, although some more complicated tests, or infrequent tests, may take a day or two,\u201d Dr. Meeker said. \u201cIf the test is run only at specific reference labs, is complicated or infrequently done, it may take longer. There are times, too, when your clinician may want to have time to consider the results in the context of your situation before releasing them with no context or explanation.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blood work provides essential insight into how your organs are functioning.<\/p>\n","protected":false},"author":24,"featured_media":12546,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[129],"tags":[817,756,602,985],"coauthors":[687],"class_list":["post-12495","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miscellaneous","tag-blood","tag-osf-medical-group","tag-primary-care","tag-testing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why and when you need blood work<\/title>\n<meta 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