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Troponin I
308

Information

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 blood 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.

Methodology
MEIA
Specimen Required

SST, Serum. Volume 1 (0.5) mL. Stability: Refrigerated – 48 Hours, Frozen – 2 Months

CPT Code(s)
84484