II. Indications

  1. Suspected False NegativeSweat Test in Cystic Fibrosis
  2. Predict severity of Cystic Fibrosis
  3. Determine Cystic Fibrosis carrier status of siblings

III. Technique

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

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