Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of the holidays, GeneDx will be closed for business on Thursday, December 25, 2014 and on Thursday, January 1, 2015. We will be unable to receive and process specimens. FedEx and UPS will also not be in operation. Except for the aforementioned dates, GeneDx will operate on our normal schedule (Monday-Saturday), including December 24th and December 31st.  If you have any questions or inquiries, please call us at 301-519-2100 or email us at zebras@genedx.com.

Prenatal SALL4 Gene Sequencing

FORMS AND DOCUMENTS

TEST DETAILS

Genes:
SALL4
Disorders:
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

ORDERING

Test Code:
408
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

BILLING

CPT Codes:
81479x1, 81265x1, 88235x1
New York Approved:
No
ABN Required:
Yes
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 zebras@genedx.com

REFERENCES

  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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