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

C. Sue Richards, Sherri Bale, Daniel B. Bellissimo, Soma Das, Wayne W. Grody, Madhuri R. Hegde, Elaine Lyon, Brian E. Ward

Research output: Contribution to journalReview article

519 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)294-300
Number of pages7
JournalGenetics in Medicine
Volume10
Issue number4
DOIs
StatePublished - Apr 2008

Keywords

  • ACMG practice guideline
  • Clinical genetic testing
  • Interpretation and reporting
  • Sequence variations

ASJC Scopus subject areas

  • Genetics(clinical)

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