Serum phenylalanine screening

Alternative Names

Phenylalanine – blood test

Definition of Serum phenylalanine screening

Serum phenylalanine screening is a blood test to look for signs of the disease (PKU). The test detects abnormally high levels of an amino acid called phenylalanine.


Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 5/12/2009

ADAM Medical Encyclopedia

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