Number of Panel Genes: 

Loeys-Dietz syndrome 1 (LDS1; MIM 609192) and 2 (LDS2; MIM 610168) are caused by mutations in the TGFBR1 and TGFBR2 genes respectively. The reported phenotype is highly variable and overlaps considerably with Ehlers-Danlos syndrome IV (EDS IV; MIM 130050) or Marfan syndrome (MFS; MIM 154700). A high percentage of patients have aortic root aneurysm or other arterial aneurysms. Some have cardiac abnormalities including patent ductus or atrial septal more

Tests Available

2 Panel Genes: TGFBR1, TGFBR2
Next Generation Sequencing
Test Code: 1181
Deletion / Duplication
Test Code: 1571
NGS/Del Dup Comprehensive
Test Code: 1572

Test Details

Technical Information
Panel Genes: 
Disease Groups: 
Marfan syndrome, Loeys-Dietz syndrome, familial thoracic aortic aneurysms & dissections, and related disorders
Craniosynostosis and Craniofacial Disorders
CPT Codes: 
81405 x 1
Turnaround Time: 
Typically 2 to 4 weeks from receipt of a sample in the laboratory. All cases involving ongoing pregnancies will be expedited.
Non-Prenatal Specimens: 
  1. Whole blood: purple-top (EDTA) tube, minimum of 3 ml
  2. Genomic DNA: a minimum of 3 µg (at a concentration of at least 30 ng/µl)
  3. Fibroblasts: 2 confluent T-25 flasks
  4. Saliva: only samples collected in Oragene DNA Self-Collection Kit or Oragene Saliva Collection Kit for Young Children are accepted
Prenatal Specimens: 
  1. Cultured cells: 2 confluent T-25 flasks derived from amnio or CVS samples
  2. Genomic DNA: a minimum of 3 µg (at a concentration of at least 30 ng/µl)
Ship all specimen types at room temperature by overnight courier. Do not freeze.

Related Panels
Craniosynostosis NGS panel (26 genes)
NGS $1,300
Del Dup $990
Comp $1,500

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