Sign in →

Test Code TROPO Troponin I, LAB747


Chemiluminescence Assay

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.

2.  This assay is affected by biotin interference.

Reference Values

≤0.04 ng/mL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding


Useful For

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