why do some laboratory tests require advance patient preparation

The type of blood sample needed is very important. To minimize this, apply pressure to the site for several minutes and elevate the arm. If a large bump or swelling occurs, call the physician or the lab for further instructions. Patients please note: Obtain the advice of your physician before discontinuing any medications. Food consumption, medication, activity, and time of day can affect lab results. However, be sure to check with your healthcare provider for specific instructions rather than relying on the information on this or any other web site, as different labs may have varying testing protocols. Affects packed cell volume and other cellular elements. Cardiovascular system - heart murmur. The first step in acquiring a quality lab test result for any patient is the specimen collection procedure. Health care providers should also always introduce and identify themselves to the patient before explaining the upcoming procedure, when and where the procedure wil… Glucose - 8 hours if ordered as fasting by physician The laboratory’s contribution to this major healthcare concern is only 0.33 percent.1While this number appears small, laboratory errors do occur, not always resulting is death, but nevertheless having an important impact on patient care. You can and should eat and drink the same as you do normally to get an accurate result. This information appears in the "At a Glance" section of our test descriptions. Or you may be asked not to smoke before the test or even not to drink your favorite herbal tea. This might be done by questioning the patient… Coronary artery bypass grafting (CABG) is a type of surgery that improves blood flow to the heart. 75-169 mg/dL for those age 20 and younger 2. After cleansing the area, a needle is inserted into a vein just underneath the skin and the blood is collected into a tube or syringe. The reason for asking you to fast is because when eat or drink beverages, certain nutrients, substances or vitamins enter into the bloodstream and can be responsible for giving a wrong result. © Wheeling Hospital, Wheeling, West Virginia  •, Affiliated Laboratories & Collection Sites. What types of blood tests require fasting? Follow instructions, if there are any, to prepare for the specific test you are having performed. Learn more about COVID rapid tests For the majority of laboratory tests, a fasting specimen is preferred but not required. An echocardiogram (echo) is a graphic outline of the heart's movement. Drink plenty of water before a blood test. In fact, all laboratories that perform moderate and/or highly complex tests are required by the federal government under the Clinical Laboratory Improvement Amendments (CLIA) to provide patients with such written policies. After all, it is a sample from your body (blood, urine, or some other specimen; see Collecting Samples for Testing) on which the test will be performed. CHD is a condition in which a substance called plaque (plak) builds up inside the coronary arteries. If a screening test comes back positive, you will need more testing to rule out or confirm a syphilis diagnosis. During this time, do not eat or drink any food or liquids, except water. Indeed, all the test companies are careful to point out that they do not offer a medical diagnosis and that patients should discuss the test results with their personal physician. Providing complete, accurate information will help to ensure the reliability of your test results and prompt diagnosis and/or treatment. Tests Performed Before Surgery. There may also be special timing issues for tests such as blood glucose, drug levels, and hormone tests. The lab accepts orders from all physicians, including those not in the local area. Notify the lab receptionist. Usually, PBTs have completed high school and have received phlebotomy training, either through a program or on the job experience. One type of glucose test is called a glucose tolerance test. Just as you should give them your complete personal, medical, and family history, you may need to report deviations from preparation instructions and/or any medications that you are taking at the time of testing, including vitamins and supplements, as these may affect the results. Fasting means no eating or drinking for at least 8 hours before the test, except water. Triglycerides - 12-18 hours. Problem 16EL from Chapter 29: Why do some laboratory tests require advance patient prepara... Get solutions Check with the health insurer for drawing locations. FibroScan test results are always used in conjunction with other clinical data, laboratory test results, and liver imaging in managing individual patients. Workbook for Surgical Technology (7th Edition) Edit edition. Some doctors collect specimens for laboratory tests in their offices, but others do not. The hydrostatic pressure causes some water and filterable elements to leave the extracellular space. If you are ever unclear about the instructions, be sure to ask the person ordering the test for clarification. There are several other tests that require fasting. Preparing for Your Test. Certain blood tests require you to fast for 8-12 hours. As a part of the quality management system, the laboratory must establish a QC programme for all quantitative tests. Positive communications should begin by addressing the patient using proper titles such as Ms., Mrs., or Mr.; the use of inappropriate terms of endearment is a common patient complaint. A VDRL test can be done on blood or spinal fluid. As clinical laboratory scientists, we must make every effort to produce accurate test results. For some tests, such as a cholesterol or glucose test, you may need to for at least 8 hours before your blood is drawn. Meg sees many patients each shift while working on a busy hospital unit. It's used for people who have severe coronary heart disease (CHD), also called coronary artery disease. A creatinine blood test doesn’t require much preparation. Phlebotomists, sometimes called phlebotomy technicians, work directly with you, the patient, to draw your blood for laboratory tests using venipuncture or skin puncture. Diagnostic testsconsist of procedures such as bloodwork, X-rays, CT scans, and any other test used to help physicians diagnose medical conditions. If your doctor provided you with an order for a test, you will need to visit one of our Patient Service Centers to have your specimen collected. Preparing for a lab test: getting started. Laboratory Tests – Other (non-Medicare fee schedule) is a very broad category of Part B services, which includes Healthcare Common Procedure Coding System (HCPCS) codes for pathology and laboratory . However, some experts argue that widespread testing, even when it’s less accurate, can still help contain the COVID-19 pandemic. Medical errors are the third leading cause of death in the U.S. ), Making Informed Decisions for Better Health, Follow That Blood Sample: A Short Lab Tour, Follow that Throat Culture: A Short Lab Tour, Collecting Samples for Laboratory Testing, Patients Need Help Understanding Test Results from Online Health Records, Laborastories- Patient Stories from the Lab (Postassium). However, the nurse should pay very close attention to those tests that do require preparation. If you are not given any instructions, you should ask if there are any special instructions needed to prepare for the test. Many laboratory tests and diagnostic tests do not require any extensive preparation. However, you should always follow your healthcare provider's instructions, as the procedures for a particular test might vary from one lab to another. Certain tests do require that the patient be fasting so that an accurate test result may be obtained. One of the most important factors in determining the accuracy and reliability of your lab test is you, the patient. Therefore, it is essential that you do the following to ensure that the results will be useful and interpreted correctly by your healthcare provider: Certain behaviors may affect some test results, such as recent or excessive exercise, not taking in enough fluids (dehydration), excessive eating, or recent sexual activity. First names may be used with the permission of the patient. You also may be asked about the amount of alcohol you consume, tobacco products you smoke, or any illicit drugs you may have recently taken. Fasting before these advised blood tests ensures more accurate results. Print The Nurse's Role in Patient Preparation & Diagnostic Testing Worksheet 1. Glucose Tolerance Test - 8 hours Lipid Panel - 12-18 hours One of the first efforts (1947) in laboratory quality management involved the collection of survey results where six common an… Successful encounters with patients begin with a professional, respectful, and compassionate approach. Most of these follow up tests … Follow doctor's instructions. The category is Berenson-Eggers Type of Service (BETOS) Code category T1H “Lab tests - other Life insurance physicals that require blood specimens be sent to a specified laboratory can be collected and shipped by the Wheeling Hospital lab. A physician may advise that some tests can only be collected at certain times during the day, or only on select days during the week, or that they may require an appointment that must be scheduled in advance. General tips to make your lab testing experiences easier. Sometimes, undergoing an unfamiliar medical procedure can turn out to be a tense, upsetting, or even frightening experience. Certain tests may require you to increase or decrease the amount you drink for 10 to 12 hours prior to the test. Evaluating each test run in this way allows the laboratory to determine if patient results are accurate and reliable. Clinical Laboratory Test Orders that Generate More Than One Procedure; Patient Preparation; The lab tests listed below have special requirements that should be adhered to prior to specimen collection. Several essential steps are required for every successful collection procedure: Venipuncture Procedure: Why is it important to explain the … • Patient preparation —Some tests require that the patient be fasting. However, if the test is drawn as part of a total lipid profile, it requires a 12-hour fast (no food or drink, except water). Proper patient prep assures a quality specimen and accurate results. If you are taking certain prescribed medications, such as. Wheeling Hospital laboratory is not a draw site for health insurance agencies that require all testing is to be done at a specified reference laboratory. Positive tests tend to be accurate, but negative tests need to be interpreted with caution, especially in a high-risk setting or when used on asymptomatic individuals. A doctor orders a test that requires the patient to receive a medication prior to it being performed. The sample is used to analyze various urine test types that can help the doctors diagnose disease or monitor a patient’s progress.Urine elimination in the body is important as it helps maintain the body water balance as well as remove toxic substances produced during the metabolism … The venipuncture procedure is complex, requiring both knowledge and skill to perform. It is grouped by type of procedure and ordered alphabetically. A general systems examination should identify obvious abnormalities: 1. Certain tests do require that the patient be fasting so that an accurate test result may be obtained. There are several reasons that explain why doctors may order too many tests. Most of the medical tests your doctor orders for you are part of the diagnosis of your medical problem, and they help determine your treatment plan. Bring doctor's orders. This is a list of medical tests and procedures used to obtain health information and diagnose pathological and nonpathological conditions of the human body. Finally, with laboratory testing, like other aspects of medical care, it is crucial that you are open and honest with your healthcare provider. The lab cannot perform testing unless it has a written order from the physician. Fasting isn’t necessary. Why do I have to fast before certain lab tests? Those who usually bruise easily may develop a hematoma (a black and blue mark) at the draw site. For the majority of laboratory tests, a fasting specimen is preferred but not required. A physician may advise that some tests can only be collected at certain times during the day, or only on select days during the week, or that they may require an appointment that must be scheduled in advance. Most people have been asked to submit the urine sample for testing when they visit a health institution. Why do lab tests require advance patient preparation? A Legacy of Caring. If you are collecting the specimen at home (such as urine, stool, or semen), you could be asked to follow certain procedures to transport the sample from home to the lab. 2. Why do some lab tests require advance patient preparation? Hemolysis may occur, with pseudohyperkalemia. You may be asked to refrain from some of these activities for certain tests. The steps for implementing a QC … There are valid reasons for having multiple diagnostic tests, but sometimes doctors order tests that are not truly necessary. (See alsoddiagnosis; medicine; It should be noted that many tests require no special preparation. The most common types of tests that require fasting include: Glucose tests, which measure blood sugar. With the exception of emergency surgery, patients should be haemodynamically stable and their vital signs normal before starting anaesthesia. Know all the information nurses need to understand about different diagnostic tests and laboratory exams.Learn about the nursing responsibilities and nursing considerations during each diagnostic procedure, indications, how to prepare your patient, your roles as a nurse, the nursing interventions and implications for each procedure, and know how to interpret the results. Preparation of the patient prior to the test or diagnostic measure is vitally important to the results of the test. The laboratory does not use appointments for routine blood draws. • Patient identification —The person collecting the sample must accurately identify the patient. Many surgeons order routine laboratory tests before admission to the hospital, or even before certain outpatient procedures, to identify potential problems that might complicate surgery if not detected and treated early. There is a specimen collection fee and a handling fee that may not be covered by the life insurance company. But for those that do, be certain to adhere to the instructions provided. Venereal disease research laboratory (VDRL) test, which also checks for syphilis antibodies. Fasting improves the accuracy of those tests. To help you remember what you need to do before having a lab test, your provider should give you a written copy of instructions, if there are any. One of the more common types of preparation required for testing is fasting (to go without all or certain foods) for several hours before the test or even overnight. Less than an ounce of blood is withdrawn even though several tubes may be used. © 2001-2020 by American Association for Clinical Chemistry, Anti-MuSK (muscle-specific kinase) Antibodies, Anti-Saccharomyces cerevisiae Antibodies (ASCA), Antineutrophil Cytoplasmic Antibodies (ANCA, MPO, PR3), Clostridium difficile and C. diff Toxin Testing, Cystic Fibrosis (CF) Gene Mutations Testing, Estimated Glomerular Filtration Rate (eGFR), Estrogen Receptor, Progesterone Receptor Breast Cancer Testing, Extractable Nuclear Antigen Antibodies (ENA) Panel, Factor V Leiden Mutation and PT 20210 Mutation, Fecal Immunochemical Test and Fecal Occult Blood Test, Genetic Tests for Targeted Cancer Therapy, Heparin-induced Thrombocytopenia PF4 Antibody, High-sensitivity C-reactive Protein (hs-CRP), Human T-cell Lymphotropic Virus (HTLV) Testing, Maternal Serum Screening, Second Trimester, Protein Electrophoresis, Immunofixation Electrophoresis, Prothrombin Time and International Normalized Ratio (PT/INR), Red Blood Cell (RBC) Antibody Identification, Respiratory Syncytial Virus (RSV) Testing, Smooth Muscle Antibody (SMA) and F-actin Antibody, Total Protein, Albumin-Globulin (A/G) Ratio, Transferrin and Iron-binding Capacity (TIBC, UIBC), Tumor Necrosis Factor (TNF) Inhibitors and TNF Inhibitor Antibodies, Urine Albumin and Albumin to Creatinine Ratio, Urine Protein and Urine Protein to Creatinine Ratio, Adrenal Insufficiency and Addison Disease, Disseminated Intravascular Coagulation (DIC), Pregnancy: First Trimester (Up to 12 weeks), Pregnancy: Second Trimester (13 to 27 weeks), Pregnancy: Third Trimester (28 weeks to delivery), Screening Tests for Children (Ages 2 to 12), Screening Tests for Young Adults (Ages 19-29), Glucose tolerance, fasting, and two-hour post-prandial blood glucose tests, pids profile (triglycerides, cholesterol, etc. Before reporting to the lab, patients must first be registered in the Outpatient Registration area located just inside the outpatient entrance. Respiratory system - abnormal breath sounds. Gastr… They can also use preregistration on the Wheeling Hospital home page. You also may find information about preparations needed for specific tests on websites like Lab Tests Online. Examples of some common laboratory tests that require advance preparation include: On Lab Tests Online, we provide some information about test preparations you may need to follow before taking certain tests. If you did not follow the test preparation instructions you received from your physician, let the staff at the specimen collection lab know about this before your specimen is collected. Inform the healthcare practitioner of any medications (including vitamins and supplements) you are taking. Some … services. Directly linked to risk of heart and blood vessel disease.Goal values: 1. Nutrients and ingredients in the food and beverages you consume are absorbed into your bloodstream and could impact factors measured by certain tests. The physician will advise if fasting is necessary. The tests are listed alphabetically. An exam table is available for this purpose for patients who prefer to lie down during the procedure. A Tradition of Excellence. Alert the person collecting your sample if you have deviated from the instructions and how. 3. It is essential that you follow instructions, if there are any, to prepare for the specific test you are having performed to ensure that the results will be useful and interpreted correctly by your healthcare practitioner. As one of the more experienced nurses on the inpatient unit, medical providers rely on her clinical abilities to ensure patients are appropriately prepared for their ordered tests and diagnostic procedures. As part of Meg's responsibilities as a nurse, she may be required to assess the pati… 100-199 mg/dL for those over age 21Preparation:This test may be measured any time of the day without fasting. One of the most important factors in determining the accuracy and reliability of your lab test is you, the patient. To obtain accurate results and to avoid having to collect the specimen again. There may be specific foods and medications you will need to avoid. Significant increases can be found in total protein, aspartate aminotransferase (AST), total lipids, cholesterol, iron. After your blood is … The risks The FibroScan test is a completely non-invasive, simple and painless procedure that takes approximately 10 minutes to complete. For this test you will need to fast for 8 hours before test. For cholesterol and glucose tests, you must fast for at least 8 hours prior to having your blood drawn, unless your doctor tells you otherwise.

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