Troponin I

CERNER / EPIC MNEMONIC: TROP
POE DESCRIPTION: TROPONIN I
CPT CODE: 84484
DAYS PERFORMED: Daily, 24 hours
TURNAROUND TIME: 1 hour
CONTAINER TYPE: Heparin (Green top tube)
SPECIMEN REQUIREMENTS: Blood (heparinized plasma)
MINIMUM VOLUME: 1 mL blood (0.5 mL plasma)
REFERENCE RANGE:

A Troponin I (TnI) result > 0.1 ng/mL is consistent with myocardial injury.  A single negative result must be interpreted with caution when accompanied by symptoms of acute coronary syndrome.

CRITICAL VALUES:

> 0.1 ng/mL