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Troponin I
Test CodeTROPI
CPT Codes
84484
Preferred Specimen
2.0 mL of whole blood (1.0 mL of serum or plasma)
Minimum Volume
0.6 mL of whole blood (0.3 mL of serum or plasma)
Transport Container
Serum separator (gold top) or for Inpatients/MSTI/ED only lithium heparin (green or mint top), EDTA plasma
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 2 hours
Refrigerated: 7 days
Frozen: 4 weeks at -18 C
Refrigerated: 7 days
Frozen: 4 weeks at -18 C
Methodology
Immunometric
Setup Schedule
Set up daily
Report Available
Inpatient turn around time: Stat 45 minutes, routine 3 hours. Outpatient testing received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.