II. Indications

  1. Suspected false negative Sweat Test in Cystic Fibrosis
  2. Predict severity of Cystic Fibrosis
  3. Determine Cystic Fibrosis carrier status of siblings

III. Method

  1. Identifies Chromosome 7 mutation
    1. Associated with 70% of Cystic Fibrosis
  2. Obtain cheek epithelial cells

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