rejected specimen

rejected specimen

Lab medicine Any blood, urine or other specimen for which one or more of the tests ordered cannot be performed as the specimen does not meet laboratory acceptability critieria
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Each rejected specimen should be recorded in a log book with relevant details.
3) The model's estimates are based on 1) institutional financial data such as operating costs and number of beds; 2) laboratory data such as test volume, rate of rejected specimens, and instrument downtime; and 3) clinical practice data based on physician interviews identifying the frequency of receiving erroneous laboratory results and their impact.
A total of 301 surgical patients were identified; 75 were excluded from the study owing to an absence of laboratory records (42), sinus histology reports without corresponding microbiology reports (29), incomplete microbiology reports (3) and rejected specimens (1).
In addition, the conclusions were based on the analysis of a single measure of effectiveness, percentage of rejected specimens.
To calculate the proportions of rejected specimens stratified by point of collections and demographic information of patients.
We acknowledge that optimal validation of this algorithm would require randomly selecting and testing rejected specimens during a phase of high disease prevalence.
In some reports, hemolyzed specimens, the most common reason for rejection, account for ~60% of rejected specimens, fivefold more than the second most common cause (2).
If the scrap rate appears too high, the rejected specimens can be manually tested for Brinell hardness to salvage some.
Going back to the check sheet, it is evident that most of the rejected specimens are collected by nurses in either the operating room or the emergency room.
But it is more than just rejected specimens and re-collects that plague laboratories receiving blood drawn by nonlaboratory personnel," says Dennis J.
4) For 3 months or until 20 unsuccessful encounters were recorded, participants prospectively recorded onto preprinted tally sheets the outcomes of outpatient phlebotomy encounters and the numbers of rejected specimens.
While we have seen an increase in rejected specimens, we're pleased overall with the quality of the samples.