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Genet Med. 2008 Apr;10(4):294-300. doi: 10.1097/GIM.0b013e31816b5cae.

ACMG recommendations for standards for interpretation and reporting of sequence variations: Revisions 2007.

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  • 1Department of Molecular and Medical Genetics, Oregon Health Science University, Portland, Oregon 97239, USA. richarsu@ohsu.edu

Abstract

ACMG previously developed recommendations for standards for interpretation of sequence variations. We now present the updated revised recommendations. Here, we describe six interpretative categories of sequence variations: (1) sequence variation is previously reported and is a recognized cause of the disorder; (2) sequence variation is previously unreported and is of the type which is expected to cause the disorder; (3) sequence variation is previously unreported and is of the type which may or may not be causative of the disorder; (4) sequence variation is previously unreported and is probably not causative of disease; (5) sequence variation is previously reported and is a recognized neutral variant; and (6) sequence variation is previously not known or expected to be causative of disease, but is found to be associated with a clinical presentation. We emphasize the importance of appropriate reporting of sequence variations using standardized terminology and established databases, and of clearly reporting the limitations of sequence-based testing. We discuss follow-up studies that may be used to ascertain the clinical significance of sequence variations, including the use of additional tools (such as predictive software programs) that may be useful in variant classification. As more information becomes available allowing the interpretation of a new sequence variant, it is recommended that the laboratory amend previous reports and provide updated results to the physician. The ACMG strongly recommends that the clinical and technical validation of sequence variation detection be performed in a CLIA-approved laboratory and interpreted by a board-certified clinical molecular geneticist or equivalent.

PMID:
18414213
[PubMed - indexed for MEDLINE]
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