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Test name
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Amino acids - blood
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Synonyms or
Related Tests
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Ornithine
Arginine
Glycine
Alanine
Citrulline
Leucine
Isoleucine
Valine
Methionine
Glutamine
Phenylalanine
Tyrosine
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Laboratory
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Metabolic
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Cost
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No charge to Victorian patients being tested or monitored for an inborn error of metabolism. Other patients are charged $100 (Medicare rebate)
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Reporting Time
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Typically <2 weeks
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Contact
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Specimen Requirements
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Patient should preferably be fasted. At least 1 mL of blood in a heparin tube (orange
top tube) cooled on wet ice. Separate plasma within 1 hour of collectionand store
and transport frozen.
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Notes
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For diagnosis, samples taken during acute episodes are most suitable.
Non-acute samples: ideally collected after at least 6 hour fasting (e.g. early morning).
Samples collected post-prandially may show increases in amino acids.
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