Documents & Announcements

ClinGen Pathogenicity Calculator: a configurable system for assessing pathogenicity of genetic variants

Ronak Y. Patel, Neethu Shah, Andrew R. Jackson, Rajarshi Ghosh, Piotr Pawliczek, Sameer Paithankar, Aaron Baker, Kevin Riehle, Hailin Chen, Sofia Milosavljevic, Chris Bizon, Shawn Rynearson, Tristan Nelson, Gail P. Jarvik, Heidi L. Rehm, Steven M. Harrison, Danielle Azzariti, Bradford Powell, Larry Babb, Sharon E. Plon, Aleksandar Milosavljevicand on behalf of the ClinGen Resource

In this report, we describe the design, implementation, and initial testing of the Clinical Genome Resource (ClinGen) Pathogenicity Calculator, a configurable system and web service for the assessment of pathogenicity of Mendelian germline sequence variants. The system allows users to enter the applicable ACMG/AMP-style evidence tags for a specific allele with links to supporting data for each tag and generate guideline-based pathogenicity assessment for the allele. Through automation and comprehensive documentation of evidence codes, the system facilitates more accurate application of the ACMG/AMP guidelines, improves standardization in variant classification, and facilitates collaborative resolution of discordances. The rules of reasoning are configurable with gene-specific or disease-specific guideline variations (e.g. cardiomyopathy-specific frequency thresholds and functional assays). The software is modular, equipped with robust application program interfaces (APIs), and available under a free open source license and as a cloud-hosted web service, thus facilitating both stand-alone use and integration with existing variant curation and interpretation systems. The Pathogenicity Calculator is accessible at

Date January 1, 2017
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