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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Treacher Collins Syndrome

Gene:    TCOF1   
Test:   Direct mutation analysis by DNA sequencing
    
CPT Codes:
  83891 x 1
83898 x 26
83904 x 52
83909 x 52
83912 x 1
Sensitivity:   78-93%
   
Cost:   $2630 per individual blood sample (for mutation identification)

Please call for prenatal and targeted mutation prices.

Turn Around Time:    Approximately 5 weeks
Special Considerations:   N/A   

Click here for Sample Requirements

Click Here for Requisition and Billing forms

Click here for clinical information on Treacher Collins Syndrome.