Test ID: PKU
Phenylalanine and Tyrosine, Plasma
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
8380
Useful For Suggests clinical disorders or settings where the test may be helpful
Monitoring effectiveness of dietary therapy in patients with hyperphenylalaninemia*
*This test is useful for monitoring known patients, but is not sufficient to establish a diagnosis
Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request
Phenylketonuria: Evaluation of patients with hyperphenylalaninemia or monitoring effectiveness of dietary therapy. Not sufficient follow-up for abnormal newborn screening results, because other causes of hyperphenylalaninemia (eg, BH4 deficiency) cannot be excluded by this test alone.
Tyrosinemia, type I: For medical management.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Phenylalanine and Tyrosine, P
Aliases Lists additional common names for a test, as an aid in searching
Phenylalanine Includes Tyrosine
Phenylketonuria
PKU (Phenylketonuria)
Tyrosine
Tyrosinemia
Phenylketonuria
PKU (Phenylketonuria)
Tyrosine
Tyrosinemia
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