With regard to lab tests and diagnostic tests in the hospital after birth,nurses should be aware that:

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If testing is done prior to 24 hours of age,genetic screening should be repeated when the infant is 1 to 2 weeks old.All states test for PKU and hypothyroidism,but not for other genetic defects.Federal law mandates newborn genetic screening;however,parents can decline testing.A waiver should be signed and a notation made in the infant's medical record.Federal law does not mandate screening for hearing problems;however,the majority of states have enacted legislation mandating newborn hearing screening.In the United States the majority (95%)of infants are screened for hearing loss prior to discharge from the hospital.

With Regard to Lab Tests and Diagnostic Tests in the Hospital