10q22q23 copy number variation syndrome is a rare genetic syndrome caused by a deletion or duplication in the region 10q22q23 of chromosome 10. The exact position (chr10:82,045,472-88,931,651, GRCh37) was taken from Kirov et al. 2014 and literature cited there. Patients usually suffer from developmental delay and psychiatric disorders as well as facial dyspmorphisms, and cardiac abnormalities.