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Arch Pathol Lab Med. 2012 Jan;136(1):14-9. doi: 10.5858/arpa.2010-0536-OA.

Verification of performance specifications of a molecular test: cystic fibrosis carrier testing using the Luminex liquid bead array.

Author information

  • 1Department of Pathology, State University of New York Downstate Medical Center, Brooklyn, 11203, USA. felicitas.lacbawan@downstate.edu

Abstract

CONTEXT:

The number of clinical laboratories introducing various molecular tests to their existing test menu is continuously increasing. Prior to offering a US Food and Drug Administration-approved test, it is necessary that performance characteristics of the test, as claimed by the company, are verified before the assay is implemented in a clinical laboratory.

OBJECTIVE:

To provide an example of the verification of a specific qualitative in vitro diagnostic test: cystic fibrosis carrier testing using the Luminex liquid bead array (Luminex Molecular Diagnostics, Inc, Toronto, Ontario).

DESIGN:

The approach used by an individual laboratory for verification of a US Food and Drug Administration-approved assay is described.

RESULTS:

Specific verification data are provided to highlight the stepwise verification approach undertaken by a clinical diagnostic laboratory.

CONCLUSIONS:

Protocols for verification of in vitro diagnostic assays may vary between laboratories. However, all laboratories must verify several specific performance specifications prior to implementation of such assays for clinical use. We provide an example of an approach used for verifying performance of an assay for cystic fibrosis carrier screening.

PMID:
22208482
[PubMed - indexed for MEDLINE]
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