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Test Code TROPO Troponin I, LAB747

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube or plain red-top tube

Specimen Volume: 0.1 mL of plasma or serum

Stability: Separate specimens within 2 hours of collection and should be analyzed

               immediately or kept at 2 – 8 °C and analyzed within 2 days. For longer storage,

               samples may be frozen at -20 °C for up to 8 weeks. 

Note: 1. Human anti-mouse antibodies or other heterophile antibodies may be present in

              patient specimens. This assay has been specially formulated to minimize the effects

              of these antibodies, however results from patients known to have these antibodies

              should be carefully evaluated.


Reference Values

≤0.04 ng/mL

Useful For

Measurement of cardiac troponin-I levels provide sensitive and specific determination of myocardial injury over a wide diagnostic window.

Day(s) Test Set Up

Monday through Sunday


Chemiluminescence Assay

Test Classification and CPT Coding