With more and more genetic tests available, the possibility of misdiagnosis and false positives is greater and the doctors and hospital officials who inform the new parents of any problems are not always knowledgeable about the newborn's particular condition, says an article in the Wall Street Journal. The American College of Medical Genetics has a website with information for doctors about what to do when a baby is positive for a rare disease, the article continues, and the group is developing an online map of genetic specialists.