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Bonewit chapter 15

Intro to the Clinical Laboratory

TermDefinition
automated method a method of laboratory testing in which the series of steps in the test method is performed with an automated analyzer.
Fasting abstanding from food or fluids(except water)for a specified amount of time before the collection of a specimen.
Homeostasis the state in which the body systems are functioning normally, and the internal environment of the body is in equilibrium; the body is in a healthy state.
Plasma the liquid part of the blood, consisting of a clear, yellowish fluid that comprises approximately 55% of the total blood valume.
In vivo occuring in the body or organism.
Laboratory test the clinical analysis and study of materials, fluids, or tissues obtained form patients to assist in diagnosis and treatment of disease.
Manual method a method of laboratory testsing 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 valume.
Quality control the application of methods to ensure that the 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 elements and the clotting factor fibrogen have been separated.
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 is providing accurate results; typically performed using a device called a standard.
Product insert a printed document supplied by the manufacturer with a laboratory test product that contaisn
Clinical diagnosis A tenative 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 maiver and is subject to the CLIA regulations.
Product insert a printed document supplied by the manufacturer with a laboratory test product that contains info on the proper storage and use fo the product.
Qualitative test a teat that indicates wheather or not a substance is present in teh speciemn being tested and also provides an approximate indication of the amount of the 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 produces a reation with a patient specimen that allows detection of measurement of the substance by the test system.
Reference range a certain established and acceptable parameter of reference range within which the laboratory test results fo a healthy individual are expected to fall ( aka reference value and reference intervl)
Test system a setup that includes all of the test components required to perform 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 low risck of erroneous test results; these have been FDA approved for home use.
Created by: AnnaJoseph