SERVICES INTERRUPTION:2026-08-07T10:00:00-0500 — 2026-08-14T18:00:00-0500 Allele Registry, ERepo, and Actionability user interface services may experience intermittent service interruptions during this period. To mitigate the recent excessive usage resembling Distributed Denial of Service attack on select Baylor ClinGen user interfaces, we may require users to log in to access the ClinGen Allele Registry user interface. This would be one of several measures under consideration to address the issue. If implemented, the login requirement may be temporary or permanent.
Welcome to the ClinGen CNV Interpretation Calculator. The calculator is based on the CNV scoring metrics that appear in the ACMG Technical Standards. This tool is designed to help you keep track of the points you have assigned based on the evidence you have observed, then tallies the points to help you arrive at preliminary CNV classification.
CNV-Loss
CNV-Loss calculator helps to evaluate clinical significance of Copy Number losses
We appreciate your feedback on the functionality of this tool. Contact us at clingen@clinicalgenome.org to provide your feedback or suggestions for improvement.