Ambry Genetics
   Testing for CF mutations. Offers a comprehensive screening of CF mutations, plus Poly T Variant analysis, and direct DNA sequencing of exon.
   http://www.ambrygen.com/

American Medical Association: Cystic Fibrosis Testing
   Information on genetic testing to identify people who carry the mutation associated with this condition.
   http://www.ama-assn.org/ama/pub/category/9181.html