Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of Labor Day, GeneDx will be closed and will not accept specimens on Monday, September 7, 2015.  We will resume our normal schedule on Tuesday, September 8, 2015.  If you have any questions or inquiries, please call us at 301-519-2100 or email us at

Prenatal SALL4 Gene Sequencing



Clinical Utility:
  • Full sequencing testing for fetuses with prenatal ultrasound findings suggestive of Duane-Radial Ray Syndrome / Acro-Renal-Ocular Syndrome
  • Mutation-specific testing for fetuses with a family history of a known SALL4 mutation
Lab Method:
Capillary Sequencing


Test Code:
Turnaround Time:
2-3 weeks
Preferred Specimen:
20 mL Amniotic Fluid
Alternative Specimen:
20 mg CVS, 2 T25 flasks of cultured amniocytes, 2 T25 flasks of cultured chorionic villi


CPT Codes:
81479x1, 81265x1
New York Approved:
ABN Required:
Billing Information:
View Prenatal Billing Policy
ICD Codes:
  • 655.23: Hereditary disease in family possibly affecting fetus
  • 655.83: Other known or suspected fetal abnormality, not elsewhere classified
* For price inquiries please email


  1. Kohlhase, J. et al., Okihiro syndrome is caused by SALL4 mutations. Hum Mol Genet. 11:2979-2987, 2002
  2. Borozdin, W. et al., SALL4 deletions are a common cause of Okihiro and acro-renal-ocular syndromes and confirm haploinsufficiency as the pathogenic mechanism. J Med Genet. 41(9):e113, 2004
  3. Al-Baradie R. et al., Duane Radial Ray Syndrome (Okihiro Syndrome) Maps to 20q13 and Results from Mutations in SALL4, a New Member of the SAL Family. Am J Hum Genet. 71:1195-1199, 2002
  4. Kohlhase J. et al., Mutations at the SALL4 locus on chromosome 20 result in a range of clinically overlapping phenotypes, including Okihiro syndrome, Holt-Oram syndrome, acro-renal-ocular syndrome, and patients previously reported to represent thalidomide embryopathy. J Med Genet. 40:473-478, 2003
  5. Borozdin, W. et al., Novel mutations in the gene SALL4 provide further evidence for acro-renalocular and Okihiro syndromes being allelic entities, and extend the phenotypic spectrum. J Med Genet.41(8):e102, 2004
  6. Kohlhase, J. et al., SALL4 Mutations in Okihiro syndrome (Duane-Radial Ray Syndrome), Acro-Renal-Ocular Syndrome, and Related Disorders. Hum Mutat. 26:176-183, 2005
  7. Miertus, J. et al., A SALL4 zinc finger missense mutation predicted to result in increased DNA binding affinity is associated with cranial midline defects and mild features of Okihiro syndrome. Hum Genet. 119: 154-161, 2006

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