Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Congenital bilateral absence of the vas deferens ?
    ### Response:
    Is genetic testing available for congenital bilateral absence of the vas deferens (CBAVD)? GeneTests lists the names of laboratories that are performing genetic testing for CBAVD. To view the contact information for the clinical laboratories conducting testing, click here.
    