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Test Code LAB747 Troponin I

Specimen Requirement

1.0 mL serum or lithium heparin plasma; SST and PST acceptable.

If testing delayed >8 hrs remove plasma/serum from cells, clot or gel.

Specimen Stability

8 hours at 20-25° C

72 hours at 2-8° C 

Testing Schedule

Daily

Reference Range

Troponin Interpretation:

< 0.3 ng/mL        Negative

 >0.3 ng/mL        Indicative of AMI or cardiac damage

Testing Department

Chemistry

Method

Chemiluminescent Microparticle Immunoassay (CMIA)

CPT Code

84484

Additional Testing Locations

This test is also performed daily at the following Altru Clinics:

  • Crookston
  • Devils Lake

Please contact appropriate lab location for specific test information, as methodology varies by site.

Outpatient Turnaround Time

24 hours after receipt

Inpatient STAT Turnaround Time

45 minutes after receipt

Inpatient Routine Turnaround Time

4 hours after receipt