What do the results mean?If your baby's results were not normal, your health care provider will order more tests to confirm or rule out PKU. These tests may include more blood tests and/or urine tests. You and your baby may also get genetic tests, since PKU is an inherited condition.If the results were normal, but the test was done sooner than 24 hours after birth, your baby may need to be tested again at 1 to 2 weeks of age.Learn more about laboratory tests, reference ranges, and understanding results.
