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RESTRICTED TROPONIN I

Message
Collect a full tube, following standard venipuncture techniques.


Test Code
LAB16600 RTROP


Alias/See Also
RTROP


CPT Codes
84484

Includes
This test will only reflex if the HS-Troponin-I result is >3600 ng/L. Can be ordered if the patient is under the age of 21.


Instructions
Processing Instructions (Lab use only): Sample should be aliquoted if testing will not be performed within 8 hours. Minimum Testing Volume: 0.25mL Plasma Transport Temperature: Refrigerated Stability: Ambient: 8 hoursRefrigerated : 3 daysFrozen: 30 days Causes for Rejection: Unlabeled, mislabeled, wrong tube type, SEVERELY HEMOLYZED, QNS.


Clinical Significance
1230130117



Last Updated: May 18, 2026


The CPT Codes provided in this document 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. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.