Vanderbilt Pathology Laboratory Services
Test Directory
TROPONIN - I (TRI)
Department: ChemistryTest Synonym(s): TRI, Troponin I
CPT Codes: 84484
Methodology: Cehmiluminescence
Reference Range: Abnormal > 0.05 ng/mL; Normal 0.00 - 0.04 ng/mL
Tube Type: Light green PST (Lithium Heparin with gel) tube-4.5 mL
Specimen: Plasma
Pediatric Requirements: 2 light green gel (PST) microtainers
Volume: 2 mL plasma
Minimum Volume: 0.5 mL plasma
Temperature: Room temperature for 4 hours at 20-25 degrees C
Stability: 4-24 hrs @ 2-8 degrees C; > 24 hrs to 1 month frozen @ -20 degrees C
Reasons for Rejection: Incorrect sample type; QNS
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour, routine: 2 hours
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