Protocols for Newborn Screening Result
First Newborn Screening Result Elevated methionine (Met); homocystinuria or isolated hypermethioninemia
1. Met markedly elevated, probably homocystinuria > 1 mg / dL (if sample collected in under 7 day olds): Or >1.5 mg / dL (if older)
2. Met Elevated, (possibly homocystinuria)
