Test Code LAB3009 High Sensitivity Troponin I

Additional Codes

hs TNI

Collection:

Specimen: Blood

Container: Light Green W/Gel (Lithium Heparin) or Light Green without Gel (Lithium Heparin). (Note: Tube cannot be shared with other testing).

Specimen Volume: 4 mL; Minimum 1.0 mL

Pediatric Collection:

Two Light Green w/Gel (Lithium Heparin) microtainers filled to 600 uL line.

Stability:

Only Lithium Heparin specimens stored at room temperature (15 to 30°C) and tested within 8 hours from collection are valid for testing with this assay. Frozen specimens should not be tested.

Turnaround Time (TAT):

STAT: 1 HOUR

ROUTINE: 3 HOURS

Test Availability:

Daily / 24 Hours / Available STAT

Performing Laboratory Section:

CHEMISTRY / UMC MAIN LABORATORY

Reference Interval:

Troponin I level	Reference
< 27 ng/L	Normal, 99th percentile

Interpretive Data:

High Sensitivity Troponin I is performed on the Abbott Diagnostics iSystem.

To assess the risk of acute myocardial infarction, please follow the institution-specific hs-TnI algorithm, located in EPIC Knowledge base:

1. ED hs-cTnI Algorithm

2. Inpatient hs-cTnI Algorithm

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by the Medical University of South Carolina Hospital Authority in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Ordering Recommendations: