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ACMG Statements and Guidelines
These online statements and guidelines are definitive and may be cited using the digital object identifier (DOI). These recommendations are designed primarily as an educational resource for medical geneticists and other healthcare providers to help them provide quality medical genetics services; they should not be considered inclusive of all proper procedures and tests or exclusive of other procedures and tests that are reasonably directed to obtaining the same results. Please refer to the leading disclaimer in each document for more information.
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- ACMG Technical StandardsOpen Archive
Laboratory analysis of amino acids, 2018 revision: a technical standard of the American College of Medical Genetics and Genomics (ACMG)
Genetics in MedicineVol. 20Issue 12p1499–1507Published in issue: December, 2018- J. Daniel Sharer
- Irene De Biase
- Dietrich Matern
- Sarah Young
- Michael J. Bennett
- Adviye A. Tolun
- and others
Cited in Scopus: 11Amino acid abnormalities are observed in a broad spectrum of inheritedmetabolic diseases, such as disorders of amino acid metabolism and transport,organic acidemias, and ureagenesis defects. Comprehensive analysis of physiologicamino acids in blood, urine, and cerebrospinal fluid is typically performed in thefollowing clinical settings: evaluation of symptomatic patients in whom a diagnosisis not known; evaluation of previously diagnosed patients to monitor treatmentefficacy; evaluation of asymptomatic or presymptomatic (at-risk) relatives of knownpatients; follow-up testing for an abnormal newborn screen; and assessment ofdietary protein adequacy or renal function in general patient populations.Currently, the most common analytical method to quantify amino acids is based on ionexchange chromatography using post-column derivatization with ninhydrin andspectrophotometric detection.
