High Sensitivity Troponin I

Test Code
LAB3204


Alias/See Also
1231100405


CPT Codes
84484

Includes
HIGH SENSITIVITY TROPONIN I


Preferred Specimen
CLINIC COLLECTIONS: Green Lithium Heparin tube (Gel separator preferred)


Minimum Volume
CLINIC COLLECTIONS: 0.5 mL plasma


Instructions
CLINIC COLLECTIONS: Collect 0.5 ml plasma in Green Lithium Heparin tube (Gel separator preferred). Must be spun within 2 hours after collection. NO GOLD.


Transport Temperature
Refrigerated


Specimen Stability
Room temperature (15 to 30°C): 8 hours                                                                                                            
If a laboratory is unable to deliver or complete testing within 8 hours, centrifuge the specimen and aliquot the plasma into a transport tube.  Freeze the plasma specimen for shipment or later testing. If testing is not done on site, then ship on dry ice to BHMC-LR.  Frozen specimens are stable for 5 days. 
Thawed specimens are vortexed and then spun again prior to testing to remove the cryoprecipitates that may have formed in the plasma. 


Methodology
Abbott Alinity

Reference Range
Males
<35.0 ng/L
Females
<14.0 ng/L


Performing Laboratory
ARKADELPHIA LABORATORY CONWAY LABORATORY FORT SMITH LABORATORY HEBER SPRINGS LABORATORY LITTLE ROCK LABORATORY NORTH LITTLE ROCK LABORATORY STUTTGART LABORATORY VAN BUREN LABORATORY MALVERN LABORATORY EL DORADO LABORATORY MAGNOLIA LABORATORY DREW COUNTY LABORATORY


Last Updated: August 26, 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.