| Abbreviations | Meaning |
 | LAT | L-type Amino Acid Transporter |
 | U/A | Uric Acid; Urinalysis |
 | KIVA | Keto Isovaleric Acid |
 | AGAG | Acidic Glycosaminoglycans |
 | TCH | Tanned-cell Hemagglutination; Thiophen-2-carboxylic Acid Hydrazide; Total Circulating Hemoglobin; Turn, Cough, Hyperventilate |
 | ASP | Aspartic Acid; Asparaginase |
 | GAL | Galactose; Galactosyl; Glucuronic Acid Lactone |
 | GPA(3-) | 3-guanidinopropionic Acid |
 | NSD | N-acetylneuraminic Acid Storage Disease |
 | FIGLU, FIGLU | Formiminoglutamate, Formiminoglutamic Acid |
 | IA | Indole Acetic Acid |
 | HGA | Homogentisic Acid |
 | TA | Tolfenamic Acid |
 | ECA | Ethacrynic Acid |
 | PTEGLU | Pteroylglutamic Acid |