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Bonewit Chapter 15

Introduction to the Clinical Laboratory-Cheyenne Davis

automated method a method of laboratory testing in which the series of steps in the test method is performed with an automated analyzer
fasting abstaining from food or fluids (except water) for a specific amount of time before the collection of a specimen
homeostasis the state in which body systems are functioning normally, and the internal environment of the body is in equilibrium; the body is in a healthy state
in vivo occurring in the living body or organism
laboratory test the clinical analysis and study of materials, fluids, or tissues obtained from patients to assist in diagnosis and treatment of disease
manual method a method of laboratory testing in which the series of steps in the test method is performed by hand
plasma the liquid part of the blood, consisting of a clear, yellowish fluid that comprises approximately 55% of the total blood volume
profile numerous laboratory tests providing related or complementary information used to determine the health status of a patient
quality control the application of methods to ensure that test results are reliable and valid and that errors are detected and eliminated
routine test a laboratory test performed routinely on apparently healthy patients to assist in the early detection of disease
serum the clear, straw-colored part of the blood (plasma) that remains after the solid eliminates and clotting factor fibrinogen have been separated out of it
specimen a small sample of something taken to show the nature of the whole
analyte a substance that is being identified or measured in a laboratory report
calibration a mechanism to check the precision and accuracy of a test system, such as an automated analyzer, to determine if the system id providing accurate results; typically performed using a device called a standard
clinical diagnosis a tentative diagnosis of a patient's condition obtained through evaluation of the health history and the PE, without the benefit of laboratory or diagnostic tests
control a solution that is used to monitor a test system to ensure the reliability and accuracy of test results
nonwaived test a complex lab test that does not meet the CLIA criteria for waiver and is subject to the CLIA regulations
product insert a printed document supplied by the manufacturer with a laboratory test product that contains information on the proper storage and use of the product
qualitative test a test that indicates whether or not a substance that is present in the specimen being tested and also provides an approximate indication of the amount of substance
quantitative test a test that indicates the exact amount of a chemical substance that is present in the body, with the results being reported in measurable units
reagent a substance that produced a reaction with a patient specimen that allows detection of measurement of the substance by the test system
reference range a certain established and acceptable parameter or reference range within which the laboratory test results of a healthy individual are expected to fall (aka reference value and reference interval)
test system a setup that includes all of the test components required to preform a laboratory test such as testing devices, controls, and testing reagents
waived test a laboratory test that meets the CLIA criteria for being a simple procedure that is easy to perform and has a low risk o erroneous test results; these have been FDA approved for home use
Created by: cheyennedavis