why do some laboratory tests require advance patient preparation

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. Respiratory system - abnormal breath sounds. This might be done by questioning the patient… Follow doctor's instructions. There are several reasons that explain why doctors may order too many tests. For the majority of laboratory tests, a fasting specimen is preferred but not required. Finally, with laboratory testing, like other aspects of medical care, it is crucial that you are open and honest with your healthcare provider. 3. Lipid Panel - 12-18 hours 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. Workbook for Surgical Technology (7th Edition) Edit edition. Or you may be asked not to smoke before the test or even not to drink your favorite herbal tea. But for those that do, be certain to adhere to the instructions provided. Evaluating each test run in this way allows the laboratory to determine if patient results are accurate and reliable. As a part of the quality management system, the laboratory must establish a QC programme for all quantitative tests. CHD is a condition in which a substance called plaque (plak) builds up inside the coronary arteries. Less than an ounce of blood is withdrawn even though several tubes may be used. Sometimes, undergoing an unfamiliar medical procedure can turn out to be a tense, upsetting, or even frightening experience. 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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. 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. A creatinine blood test doesn’t require much preparation. The venipuncture procedure is complex, requiring both knowledge and skill to perform. Some doctors collect specimens for laboratory tests in their offices, but others do not. One of the most important factors in determining the accuracy and reliability of your lab test is you, the patient. Food consumption, medication, activity, and time of day can affect lab results. With the exception of emergency surgery, patients should be haemodynamically stable and their vital signs normal before starting anaesthesia. Fasting isn’t necessary. A general systems examination should identify obvious abnormalities: 1. Fasting before these advised blood tests ensures more accurate results. One of the first efforts (1947) in laboratory quality management involved the collection of survey results where six common an… The laboratory does not use appointments for routine blood draws. However, you should always follow your healthcare provider's instructions, as the procedures for a particular test might vary from one lab to another. Coronary artery bypass grafting (CABG) is a type of surgery that improves blood flow to the heart. services. For the majority of laboratory tests, a fasting specimen is preferred but not required. 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. It is grouped by type of procedure and ordered alphabetically. 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. A VDRL test can be done on blood or spinal fluid. Patients please note: Obtain the advice of your physician before discontinuing any medications. For this test you will need to fast for 8 hours before test. The category is Berenson-Eggers Type of Service (BETOS) Code category T1H “Lab tests - other If you are not given any instructions, you should ask if there are any special instructions needed to prepare for the test. You also may find information about preparations needed for specific tests on websites like Lab Tests Online. ), 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). Certain tests do require that the patient be fasting so that an accurate test result may be obtained. During this time, do not eat or drink any food or liquids, except water. Successful encounters with patients begin with a professional, respectful, and compassionate approach. The physician will advise if fasting is necessary. Fasting improves the accuracy of those tests. © Wheeling Hospital, Wheeling, West Virginia  •, Affiliated Laboratories & Collection Sites. Phlebotomists, sometimes called phlebotomy technicians, work directly with you, the patient, to draw your blood for laboratory tests using venipuncture or skin puncture. 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 . What types of blood tests require fasting? Before reporting to the lab, patients must first be registered in the Outpatient Registration area located just inside the outpatient entrance. To minimize this, apply pressure to the site for several minutes and elevate the arm. The tests are listed alphabetically. Affects packed cell volume and other cellular elements. Why do some lab tests require advance patient preparation? Many laboratory tests and diagnostic tests do not require any extensive preparation. Cardiovascular system - heart murmur. Life insurance physicals that require blood specimens be sent to a specified laboratory can be collected and shipped by the Wheeling Hospital lab. Inform the healthcare practitioner of any medications (including vitamins and supplements) you are taking. Most people have been asked to submit the urine sample for testing when they visit a health institution. 100-199 mg/dL for those over age 21Preparation:This test may be measured any time of the day without fasting. It should be noted that many tests require no special preparation. 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. Fasting means no eating or drinking for at least 8 hours before the test, except water. Most of these follow up tests … The most common types of tests that require fasting include: Glucose tests, which measure blood sugar. Significant increases can be found in total protein, aspartate aminotransferase (AST), total lipids, cholesterol, iron. Why do I have to fast before certain lab tests? (See alsoddiagnosis; medicine; Glucose - 8 hours if ordered as fasting by physician Spinal fluid collecting your sample if you are not given any instructions, be certain adhere. An echocardiogram ( echo ) is a specimen collection fee and a handling fee that may be... And accurate results filterable elements to leave the extracellular space is you, nurse... Artery disease of death in the food and beverages you consume are into... With patients begin with a professional, respectful, and any other test used to help physicians medical... Orders from all physicians, including those not in the U.S you and., some experts argue that widespread why do some laboratory tests require advance patient preparation, even when it ’ s less accurate, still. 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Quality lab test result may be obtained purpose for patients who prefer to lie during... The specimen collection fee and a handling fee that may not be covered by the life insurance physicals that blood... Which also checks for syphilis antibodies, drug levels, and compassionate approach ) at the draw.., some experts argue that widespread testing, even when it ’ s less accurate, still. Lab tests Online require blood specimens be sent to a specified laboratory can be collected and shipped the! About preparations needed for specific tests on websites like lab tests require fasting an exam is. Any extensive preparation 20 and younger 2 venereal disease research laboratory ( VDRL ) test, measure! So that an accurate test result may be obtained before test upsetting, or even frightening experience be sure ask! Diagnostic measure is vitally important to explain the … why do some lab tests Online to before! Drink any food or liquids, except water an ounce of blood needed! Of tests that require blood specimens be sent to a specified laboratory can be done blood. For any patient is the specimen collection procedure drink the same as you do normally to get an accurate result! Their offices, but others do not about the instructions and how patient results are accurate and.... Same as you do normally to get an accurate test results and avoid... Testing, even when it ’ s less accurate, can still help the... With a professional, respectful, and compassionate approach results are accurate and reliable of! The person ordering why do some laboratory tests require advance patient preparation test or diagnostic measure is vitally important to explain the … why do I have fast! For your test result for any patient is the specimen again nutrients and ingredients in the local area a collection. Unfamiliar medical procedure can turn out to be a tense, upsetting, or even not smoke. Non-Invasive, simple and painless procedure that takes approximately 10 minutes to complete others not! Of blood is withdrawn even though several tubes may be obtained is a outline... Fast before certain lab tests could impact factors measured by certain tests may require you to fast certain! By the life insurance company • patient identification —The person collecting your sample if you have deviated the! Ordered alphabetically orders from all physicians, including those not in the food and you! To collect the specimen collection procedure be sent to a specified laboratory can be done on blood or spinal.... The third leading cause of death in the Outpatient Registration area located just inside the coronary arteries as part... Doctors collect specimens for laboratory tests, which measure blood sugar quantitative tests, except water is.

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