Troponin-I (TRI)

Department: Chemistry
Test Synonym(s): LAB747, TRI, Troponin I
CPT Codes: 84484
Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)
Reference Range: 0-150yrs: 0-0.03 ng/mL Comment: "Reference values have not been established for patients < 17 years old."
Tube Type: Light green PST (Lithium Heparin with gel) tube
Specimen: Plasma
Pediatric Requirements: 2 light green microtainers
Volume: 1 mL plasma
Minimum Volume: 1 light green top (Pediatric = 2 light green top microtainers)
Temperature: Room temperature for 4 hours at 20-25 degrees C
Stability: Room temperature: 8 hours, Refrigerated 3 days, Frozen: 30 days
Reasons for Rejection: Incorrect sample type; QNS
Days Performed: Daily
Times Performed: Continuous
TAT: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab

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