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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Liddle Syndrome / Familial Hypertension

Gene:    SCNN1B; SCNN1G
   
Test:   Sequencing of exon 13 of both SCNN1B and SCNN1G
   
CPT Codes:
  83891 x 1
83898 x 4
83904 x 8
83909 x 8
83912 x 1
Sensitivity:   Liddle Syndrome is a rare condition, and series of patients screened for SCNN1B or SCNN1G mutations have not been published.  Our test panel is designed to detect >99% of mutations published to date. 
  
Cost:   $662 per individual
       
Turn Around Time:    3 to 4 weeks
Special Considerations:   Phenotypic information is extremely helpful.  
 

Click here for Sample Requirements

Click Here for Requisition and Billing forms

Click here for clinical information on Liddle Syndrome.