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ID:989 Phenylalanine
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DescriptionAn alpha-amino acid involved in the tyrosine/DOPA/dopamine and catecholamine pathways. Note this test is used in monitoring of phenylalanine in Phenylketonuric (PKU) patients. For a full amino acid profile please send lithium heparin blood for amino acid analysis.
IndicationMonitoring of phenylalanine in PKU patients.
Additional InfoPhenylalanine is also measured as part of plasma/urine amino acid profiles.
Concurrent Testsna
Dietary RequirementsN/A

DepartmentSpecialist Laboratory Medicine
TubeGuthrie Card
Tube Picture
Collection ConditionsSend bloodspots on a guthrie card for monitoring of PKU patients otherwise please send lithium heparin sample.
Min. VolA single spot of at least two 3.2mm spots width is required. (Ideally 2 full spots).

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range Notes
IP Acute TAT- Not Defined -
IP Routine TAT7 days
GP Acute TAT- Not Defined -
GP Routine TAT7 days
Turnround CommentNA

Originally edited by : RB. Review due on 03/05/2020 10:53:32. Published By RB on 03/05/2019 10:53:32.