Phenylketonuria (PKU) Test
Less than 2 Reference milligrams per deciliter (mg/dL) Opens New Window or less than 121 Reference micromoles per liter (mcmol/L) Opens New Window (SI units)
If the heel stick test shows high phenylalanine levels, a blood sample is taken from your baby's vein to confirm whether he or she has PKU.
|By:||Reference Healthwise Staff||Last Revised: Reference June 19, 2012|
|Medical Review:||Reference John Pope, MD - Pediatrics
Reference Chuck Norlin, MD - Pediatrics