The nurse is explaining the procedure of newborn screening to parents before discharge. Which statement by the parents indicates a need for further teaching?
a. "We understand the tests are performed at 24 to 48 hours."
b. "We're glad all the tests can be done on one blood sample."
c. "We wish the tests would screen for congenital hypothyroidism."
d. "We know that if the tests are done before 24 hours, the tests will need to be repeated at 1 to 2 weeks."
ANS: C
Common disorders often included in newborn screening are phenylketonuria (PKU), hypothyroidism, galactosemia, hemoglobinopathies such as sickle cell disease and thalassemia, and congenital adrenal hyperplasia. The parents need further teaching if they say that congenital hypothyroidism is not screened. The newborn screening tests are performed at 24 to 48 hours after birth. Newborn screening requires a blood sample taken from the infant's heel, and only one blood sample is needed for all tests. Tests performed within the first 24 hours of life are less sensitive than those performed after 24 hours. Infants tested before 12 to 24 hours of age should have repeat tests at 1 to 2 weeks of age so that disorders are not missed because of early testing.
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