non-PKU hyperphenylalaninemia

non-PKU hy·per·phen·yl·al·a·ni·ne·mi·a

a benign phenotype in which phenylalanine monooxygenase is deficient but is more than 1% of normal levels.
References in periodicals archive ?
Multivariate discrimination for phenylketonuria (PKU) and non-PKU hyperphenylalaninemia after analysis of newborns' dried blood-spot specimens for six amino acids by ion-exchange chromatography.
(5) Nonstandard abbreviations: NYSNSP, New York State Newborn Screening Program; BIA, bacterial inhibition assay; PKU, phenylketonuria; HP, non-PKU hyperphenylalaninemia; MSUD, maple syrup urine disease; [FP.sub.Phe], BIA false-positive result for hyperphenylalaninemias; LDA, linear discriminant analysis; QDA, quadratic discriminant analysis; FDA, flexible discriminant analysis; RMSE, root mean square error; CTRL, samples giving BIA results within the reference interval for unaffected subjects; FPothe,, BIA false-positive for Met and Len, possibly in combination with Phe.
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