Variation in Proficiency Testing Performance by Testing Site
نویسندگان
چکیده
منابع مشابه
Causes of unsatisfactory performance in proficiency testing.
BACKGROUND Proficiency testing (PT) provides a measure of the effectiveness of laboratory quality assurance programs. Test reports are released from processes that the laboratory judges to be in conformance with quality specifications; an evaluation of unsatisfactory performance (UNSAT) by a PT provider is an unexpected outcome for the laboratory. An understanding of the root cause(s) of testin...
متن کاملProficiency testing matters.
Far too many laboratories consider proficiency testing just a necessary evil, little more than periodic pass–fail exercises we perform solely to meet regulatory requirements. In addition, too many of us belittle point-ofcare (POC) testing as a passing fad, a technology so inferior to what we use in our own laboratories that it hardly warrants our attention. Clearly, a report that combines these...
متن کاملNational Association for Proficiency Testing
These suggestions are as follows: 1) Regular use of certified reference materials and/or internal quality control using secondary reference materials 2) Participation in interlaboratory comparison or proficiency testing programs 3) Replicate tests or calibrations using the same or different methods 4) Retesting or recalibration of retained items 5) Correlation of results for different character...
متن کاملPerformance of succinylacetone assays and their associated proficiency testing outcomes.
BACKGROUND Succinylacetone (SUAC) is the primary metabolic marker for hepatorenal tyrosinemia. MATERIALS AND METHODS We used results reported for dried-blood-spot proficiency testing (PT) specimens and hepatorenal tyrosinemia patients' newborn screening (NBS) samples to demonstrate analytic biases in SUAC recoveries and differences in presumptive clinical classifications. RESULTS SUAC recov...
متن کاملClinical laboratory performance on proficiency testing samples--United States, 1994.
Regulation of laboratory testing for human health is mandated by law in the United States; the most recently enacted regulatory law is the Clinical Laboratory Improvement Amendments of 1988 (CLIA). In accordance with this law, as of August 1995 a total of 154,721 laboratories had registered with the Health Care Financing Administration (HCFA), which is responsible for implementing the CLIA regu...
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ژورنال
عنوان ژورنال: JAMA
سال: 1998
ISSN: 0098-7484
DOI: 10.1001/jama.279.6.463