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Test Code TROPI TROPONIN I

Important Note

The results of this assay can be falsely decreased due to the consumption of Biotin. Patients should discontinue the use of vitamins or supplements that contain Biotin 12 hours before blood draw. See Resources for more information.

Additional Codes

LAB747

Performing Laboratory

Porter Hospital Laboratory

Specimen Requirements

Specimen Type: Blood
Container/Tube:  Green top (Lithium Heparin)
Specimen Volume: Full tube, submit 1.0 mL 
Specimen Minimum Volume: 1.0 mL
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
3. Centrifuged samples are stable for:

  • 7 days at 2-8 °C

Specimen Transport Temperature

Refrigerated

Test Classification and CPT Coding

84484

Test Schedule / Analytical Time / Test Priority / Turn around Time

Daily / 24 Hours / Available STAT / Routine - 4 Hours

                                                       STAT - 60 Minutes

Normal Reference Values

<0.034 ng/mL

Critical Values

None established.