Disorders

Long QT Syndrome 4

Synonym(s): LQT 4, LQT4

Gene	Locus	Protein
ANK2	4q25-q26

Laboratory	Test Method	Prenatal	Carrier *
Centogene AG, Rare Disease Company - Rostock, Germany
GeneDx - Gaithersburg, MD, USA
InVitae Corporation - San Francisco, CA, USA
PreventionGenetics, Clinical DNA Testing and DNA Banking - Marshfield, WI, USA
Sistemas Genomicos, Medical Genetics Unit - Paterna, Spain
Transgenomic - New Haven, CT, USA	• Sequence analysis of select exons
University Hospital Münster, Institute for Genetics of Heart Diseases (IfGH) - Münster, Germany

^* Carrier column is relevant to autosomal recessive and X-linked inheritance; column will be blank when it is not relevant (e.g. autosomal dominant inheritance, microdeletions/duplications) and/or is not offered by the lab.