Any spondylocostal dysostosis in which the cause of the disease is a mutation in the TBX6 gene. The disease is MONDO_0007389 (spondylocostal dysostosis 5). Also known as: SCDO5, TBX6 spondylocostal dysostosis, costovertebral segmentation anomalies, scoliosis, congenital, with or without rib anomalies, spondylocostal dysostosis caused by mutation in TBX6, spondylocostal dysostosis type 5, spondylothoracic dysostosis.