{"id":"ast","name":"Aspartate Aminotransferase (AST)","shortName":"AST","aliases":["AST","SGOT","Aspartate Aminotransferase","AST (SGOT)","GOT","ASAT","Aspartate Transaminase","AST (Aspartate Aminotransferase)","TGO","AST (TGO)","Aspartate Aminotransferase, Serum","Aspartate Aminotransferase (AST), S","SGOT (AST)","AST/SGOT","Serum Glutamic Oxaloacetic Transaminase","Transaminasa glutámico oxalacética","Aspartat-Aminotransferase"],"abbreviations":["AST","SGOT","GOT","ASAT"],"loinc":[{"code":"1920-8","primary":true},{"code":"30239-8","primary":false},{"code":"88112-8","primary":false},{"code":"112899-0","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"U/L","display":"U/L"},{"ucum":"ukat/L","display":"µkat/L"}],"referenceRanges":[{"population":"Men, 14+","low":8,"high":48,"unit":"U/L","unitDisplay":"U/L","note":"Mayo Clinic Laboratories prints 8–48 U/L for males 14 and older. Labcorp prints 0–40 IU/L for everyone over 9 years, men and women alike, and the American Board of Internal Medicine's reference list gives 10–40 U/L. Intervals differ by lab and method, so use the range printed on your own report first.","sources":[{"title":"Comprehensive Metabolic Panel, Serum (test ID CMAMA)","url":"https://www.testcatalog.org/show/CMAMA","publisher":"Mayo Clinic Laboratories"},{"title":"Liver Profile, Serum (test ID LIVPR)","url":"https://www.testcatalog.org/show/LIVPR","publisher":"Mayo Clinic Laboratories"},{"title":"Pediatric Testing Reference Ranges","url":"https://www.labcorp.com/content/dam/labcorp/drupal/178250_DX_TL_PediatricTestRef_Final.pdf","publisher":"Labcorp","year":2022},{"title":"ABIM Laboratory Test Reference Ranges (January 2026)","url":"https://www.abim.org/Media/bfijryql/laboratory-reference-ranges.pdf","publisher":"American Board of Internal Medicine","year":2026}]},{"population":"Women, 14+","low":8,"high":43,"unit":"U/L","unitDisplay":"U/L","note":"Mayo Clinic Laboratories prints 8–43 U/L for females 14 and older. Labcorp prints 0–40 IU/L for everyone over 9 years, and the American Board of Internal Medicine's reference list gives 10–40 U/L. Intervals differ by lab and method, so use the range printed on your own report first.","sources":[{"title":"Comprehensive Metabolic Panel, Serum (test ID CMAMA)","url":"https://www.testcatalog.org/show/CMAMA","publisher":"Mayo Clinic Laboratories"},{"title":"Liver Profile, Serum (test ID LIVPR)","url":"https://www.testcatalog.org/show/LIVPR","publisher":"Mayo Clinic Laboratories"},{"title":"Pediatric Testing Reference Ranges","url":"https://www.labcorp.com/content/dam/labcorp/drupal/178250_DX_TL_PediatricTestRef_Final.pdf","publisher":"Labcorp","year":2022},{"title":"ABIM Laboratory Test Reference Ranges (January 2026)","url":"https://www.abim.org/Media/bfijryql/laboratory-reference-ranges.pdf","publisher":"American Board of Internal Medicine","year":2026}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"An enzyme found mainly in the liver, and also in muscle and heart. Raised blood levels can be a sign of damage to those cells.","url":"https://bloodtesttracker.com/markers/ast","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}