{"id":"insulin","name":"Insulin","shortName":"Insulin","aliases":["Insulin, Fasting","Fasting Insulin","Insulin, Serum","Insulin Level","Insulin, Total","Immunoreactive Insulin","Serum insulin","Insulina basal","Insulin, Total, Serum","Insulin Fasting","Insulin (Fasting)","Insulin, Immunoreactive","Serum Insulin Level","Plasma Insulin","Insulin, Plasma","Insulina","Insulina en ayunas"],"abbreviations":["IRI","INS"],"loinc":[{"code":"20448-7","primary":true},{"code":"27873-9","primary":false},{"code":"30363-6","primary":false},{"code":"14796-7","primary":false},{"code":"59179-2","primary":false},{"code":"3695-4","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"u[IU]/mL","display":"µIU/mL"},{"ucum":"m[IU]/L","display":"mIU/L"},{"ucum":"pmol/L","display":"pmol/L"}],"referenceRanges":[{"population":"Adults","low":2.6,"high":24.9,"unit":"u[IU]/mL","unitDisplay":"µIU/mL","note":"Fasting adult interval from Labcorp (electrochemiluminescence immunoassay on Roche cobas). ARUP prints a similar fasting interval of 3 to 25 µIU/mL on a different chemiluminescent assay. At 6.0 pmol/L per µIU/mL (the factor ARUP and NHANES use), 2.6 to 24.9 is about 16 to 149 pmol/L. Insulin assays are not standardized, so other labs print different intervals, and MedlinePlus notes that ranges vary between laboratories. Use the range on your own report.","sources":[{"title":"Insulin (test 004333)","url":"https://www.labcorp.com/tests/004333/insulin","publisher":"Labcorp"},{"title":"Insulin, Fasting (test 0070063)","url":"https://ltd.aruplab.com/Tests/Pub/0070063","publisher":"ARUP Laboratories"},{"title":"Insulin in Blood","url":"https://medlineplus.gov/lab-tests/insulin-in-blood/","publisher":"MedlinePlus, National Library of Medicine"},{"title":"Insulin assay standardization: leading to measures of insulin sensitivity and secretion for practical clinical care","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC2797975/","publisher":"Diabetes Care","year":2010},{"title":"NHANES 2017-2018 Insulin (INS_J) data documentation","url":"https://wwwn.cdc.gov/Nchs/Data/Nhanes/Public/2017/DataFiles/INS_J.htm","publisher":"CDC National Center for Health Statistics","year":2020}]}],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Insulin is the hormone that moves sugar from your blood into your cells. This test shows how much is in your blood, usually after fasting.","url":"https://bloodtesttracker.com/markers/insulin","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}