Troponin I
Main Content
Test Code: 59039
CPT Code(s): 84484
Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)
Clinical Significance: Troponin I is part of a protein complex which regulates the contraction of striated muscle. In acute coronary syndromes (ACS), it can be detected in blodd at 4-8 hours following the onset of chest pain, reaches a peak concentration at 12-16 hours, and remains elevated for 5-9 days. Troponin I has been used as a reliable marker in the diagnosis of perioperative myocardial infarction in patients undergoing cardiac surgery.
Alternative Name(s): Not applicable
Supply: 38435 Lithium Heparin Vacutainer
Preferred Specimen: Lithium Heparinized Plasma - SEPARATED FROM CELLS WITHIN 2 HOURS OF COLLECTION
Preferred Volume: 2mL
Transport Container: Lithium Heparin Vacutainer
Transport Temperature: Refrigerated
SPECIAL INSTRUCTIONS: SEPARATE FROM CELLS WITHIN 2 HOURS OF COLLECTION
Specimen Stability: Refrigerated: 72 HOURS
Rejection Criteria: Whole blood and over 8 hours old; Thawed plasma not refrigerated and over 8 hours old
For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the Payor being billed.
CLIA