{"id":"copper","name":"Copper","shortName":"Copper","aliases":["Copper, Serum","Cu","Serum Copper","Copper, Plasma","Copper, Total","Copper, Serum or Plasma","Total Copper","Cobre","Kupfer"],"abbreviations":["Cu"],"loinc":[{"code":"5631-7","primary":true},{"code":"14665-4","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"ug/dL","display":"µg/dL"},{"ucum":"umol/L","display":"µmol/L"},{"ucum":"mg/L","display":"mg/L"},{"ucum":"ug/L","display":"µg/L"}],"referenceRanges":[{"population":"Men, 18+","low":70,"high":140,"unit":"ug/dL","unitDisplay":"µg/dL","note":"ARUP's interval for men (it switches to adult intervals at 19, this file at 18). Mayo Clinic Laboratories uses a different method and lists 73–129 µg/dL for men 18 and older, so intervals vary by lab.","sources":[{"title":"Copper, Serum or Plasma (ARUP test 0020096)","url":"https://ltd.aruplab.com/Tests/Pub/0020096","publisher":"ARUP Laboratories"},{"title":"Copper, Serum (Mayo test CUS1)","url":"https://www.testcatalog.org/show/CUS1","publisher":"Mayo Clinic Laboratories (via testcatalog.org)"}]},{"population":"Women, 18+","low":80,"high":155,"unit":"ug/dL","unitDisplay":"µg/dL","note":"ARUP's interval for women (it switches to adult intervals at 19, this file at 18). Mayo Clinic Laboratories lists 77–206 µg/dL for women 18 and older. Pregnancy, estrogen-containing birth control and inflammation raise copper, and ARUP says pregnancy can bring it to about three times the usual level in the third trimester.","sources":[{"title":"Copper, Serum or Plasma (ARUP test 0020096)","url":"https://ltd.aruplab.com/Tests/Pub/0020096","publisher":"ARUP Laboratories"},{"title":"Copper, Serum (Mayo test CUS1)","url":"https://www.testcatalog.org/show/CUS1","publisher":"Mayo Clinic Laboratories (via testcatalog.org)"}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"The total amount of copper in your blood, most of it carried by a liver protein called ceruloplasmin. It helps show whether you have too little or too much copper.","url":"https://bloodtesttracker.com/markers/copper","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}