Health Information
Phenylketonuria (PKU) Test
Results
A Reference phenylketonuria (PKU) Opens New Window test is done to check whether a new baby has the Reference enzyme Opens New Window needed to use phenylalanine in his or her body.
Normal
| Normal: |
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 |
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