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3393: Troponin I Print View
Troponin I IA  < .06  ng/mL 

PRIMARY
1 Serum 1 (0.5) mL   Room Temperature - 4 Hour(s)/Frozen - 30 Day(s)  
ALTERNATE
  Plasma Heparinized 1 (0.5) mL   Frozen - 30 Day(s)/Room Temperature - 4 Hour(s)  
  Plasma EDTA 1 (0.5) mL   Room Temperature - 4 Hour(s)/Frozen - 30 Day(s)  

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.

Patient Preparation:
Dietary supplements containing biotin may interfere in assays
and may skew results to be either falsely high or falsely low.
For patients receiving the recommended daily doses of biotin,
draw samples at least 8 hours following the last biotion
supplementation. For patients on mega-doses of biotin
supplementation. For patients on mega-doses of biotin
supplements, draw samples at least 72 hours following the last
biotin supplementation.

Instructions:
Remove serum from cells and freeze as soon as possible. Minimize
exposure to room temperature.
Setup Schedule
Tuesday, Thursday, Saturday

Reported (Analytical Time)
Same day

CPT Code
84484

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 payer being billed.

Notes
Reject Criteria: Received room temperature






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