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Test Code ULTRA TROPONIN I ULTRA TROPONIN I

Order Code

UTPI

Alt Test Name

Troponin I

Methodology

Chemiluminescence Immunoassay

Prefered Specimen Type

Green Top (Lithium Heparin)

Other Acceptable Specimens

Red Top or SST

Specimen Minimum Volume

0.5 mL plasma

Stability

Room Temperature ó 2 hours; Refrigerated ó 7 days

Routine Analytic Time

4 Hours

STAT Analytic Time

1 Hour

Department

Chemistry

LOINC Code

10839-9

Special Patient Preparation

Note: High Sensitivity Troponin I levels above 0.120 ng/mL provide a 90-95% positive predictive value for acute myocardial infarction (AMI). Levels between 0.034 ng/mL and 0.120 ng/mL should be considered indeterminant and may include angina pectoris and very mild myocardial damage.