Roberts syndrome (RBS; MIM 268300) and SC phocomelia syndrome (MIM 269000) are autosomal recessive disorders caused by mutations in the ESCO2 (establishment of cohesion 1 homolog 2) gene, which encodes a protein belonging to the Eco1/Ctf7 family of acetyltransferases involved in establishing sister chromatid cohesion during S more

Tests Available

By gene: ESCO2
Sanger Sequencing
Test Code: 1887
Deletion / Duplication
Test Code: 1888
Sanger/Del Dup Comprehensive
Test Code: 1889

Test Details

Technical Information
Disease Groups: 
Limb Hypoplasia - Reduction Defects
Craniosynostosis and Craniofacial Disorders
CPT Codes: 
81479 x 1
Turnaround Time: 
Typically 1 to 2 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: minimum of 10 µg (at a concentration of at least 50 ng/µl)
  3. Fibroblasts: 4 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: 4 confluent T-25 flasks derived from amnio or CVS samples
  2. Genomic DNA: minimum of 10 µg (at a concentration of at least 50 ng/µl)

Ship all specimen types at room temperature by overnight courier. Do not freeze.

Search Tests

TIP: enter a partial disorder name or gene to widen your search