Johns Hopkins DNA Diagnostic Laboratory

PLEASE NOTE: Informed consent from the patient is required prior to ordering a genetic test. The DNA Diagnostic Lab's consent is located on the second page of the requisition form. There is also a patient brochure, "Things Every Patient Should Know Before Consenting to a Genetic Test", available for download.

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Craniosynostosis: Oculodentodigital Dysplasia

Gene:    GJA1 (Connexin 43)
   
Test:   Direct mutation analysis by DNA sequencing of
GJA1   
CPT Codes:
  83891 x1
83898 x4
83904 x8
83909 x8
83912 x1
   
Sensitivity:   ~99%
   
Cost:   $662 per individual blood sample
Please call for prenatal prices
    
Turn Around Time:    3 to 4 weeks
Special Considerations:   If you desire targeted testing of a known mutation or clinical confirmation of a research result, please speak with a genetic counselor prior to shipping a specimen.

 Click here for Sample Requirements

Click Here for Requisition and Billing forms

Click here for clinical information on ODDD.