clearance test

clearance test

[′klir·əns ‚test]
(pathology)
The use of a substance such as urea or creatinine, or an injected foreign substance such as inulin to measure renal excretory activity; the ratio of the amount of these excreted substances in two 1-hour periods contrasted with the level of these substances in the blood is calculated in terms of the amount of blood cleared of these substances in a given unit time.
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References in periodicals archive ?
If a doctor isn't sure, they may do a creatinine clearance test and if it's low as well, kidney damage is likely.
The present study focused on assessing the feasibility of performing an exogenous creatinine clearance test in birds as suggested for small animals.
Therefore, if the physician suspects renal function impairment, in spite of normal serum creatinine, a creatinine clearance test needs to be performed.
At her center, clinicians also routinely order an electrocardiogram, a 24-hour urine creatinine clearance test, and a test for level of complement 3, which is an immune system protein that often drops to low levels early in anorexic patients.
Part of the claim stems from an airport regulation that was put in place after the 11 September 2001 terrorist attacks, requiring cleaners to undergo an English version of a security clearance test.
The clearance test ensures that all lead hazard control work required in a unit was completed and that no lead-based hazards remain.
Adoption of the calculated glomerular filtration rate (also known as electronic glomerular filtration rate, or eGFR) as an adjunct to or replacement for the 24-hour urine creatinine clearance test has not been without its problems.
Over the last two decades, the federal government and private industry have invested millions of dollars validating the existing quantitative clearance test, which assures families that their homes are safe following renovation," stated National Center for Healthy Housing Executive Director, Rebecca Morley.
An officer found asbestos material still attached to the ceiling and instructed Elm Tree Social Club to arrange a full clean of the area by a licensed company and to get air clearance tests done to ensure no material or fibres remained.
Topics include molecular diagnostics and pharmacogenomics; drug monitoring and toxicology; serum creatinine, eGFR, GFR, and clearance tests in CKD; extra-analytical practices; laboratory-driven testing algorithms; and more.
Dust clearance tests would be required as part of an owners' certificate of correction of a violation.
Consultant will also quote the cost of clearance tests, on a per service basis as required.