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Troponin T is a structural protein in cardiac muscle fibers released into your bloodstream when heart cells are damaged. Along with Troponin I, it is a definitive marker for myocardial injury and aids in early heart attack diagnosis and prognostic risk assessment. Unlike Troponin I, it can be mildly elevated in chronic kidney disease.
Also known as: Cardiac Troponin T, cTnT, High Sensitivity Troponin T, High-Sensitivity Troponin T, hs-cTnT, hs-Troponin T, hsTroponin T, Tn-T
High Troponin T indicates cardiac muscle injury from MI, myocarditis, or heart failure. Unlike Troponin I, it can be mildly elevated in chronic kidney disease.
Normal is below 0.01 ng/mL on standard assays and below 14 ng/L on high-sensitivity assays.