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Laboratory Medicine

Laboratory Test Catalogue

Troponin I High Sensitivity

Test Name

Troponin I High Sensitivity

Gold Tube Specimen Type / Requirements

Container Type = Gold (SST)

Minimum Volume = 1ml Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Serum or plasma, free from hemolysis, collected with or without gel separator. For plasma use lithium or ammonium heparin only. Separate serum or plasma from cells within 2 hours of collection

Write your initials, date and time of collection on the collection label.

Stability: stable for 8h at room temperature, refrigerated 72h, frozen 1 month

Transportation: Transport at room temperature ASAP.

Laboratory Staff Instructions: Separate serum or plasma from cells within 2 hours of collection.

Sample Rejection Criteria: Unlabeled or Non sufficient Quantity (Not Sufficient Quantity) will be cancelled.

Required Documentation

Turnaround Time (TAT)

45 minutes Trauma/Stat 2 hour routine

Reference Value

99th percentile < 18 ng/L (healthy individuals)

See the HS-Troponin MI Algorithm Here.

Test Code



Two–Step Immunoenzymatic ("Sandwich") Assay

Testing Location


Other Information

Last Updated: November 26, 2019