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Troponin T, High Sensitivity

Source Blood
Mnemonic TNT
Specimen Requirements

1 x 3 mL or 4.5 mL light green (mint) top PST tube.  Gold top SST tube or lavender top EDTA tube also acceptable.

0.2 mL plasma or serum

Minimum Whole Blood Volumes for Microcollections
Specimen Handling
Additional Information Hemolyzed specimens will be cancelled.
Repeat specimens within 6 hours that also have hemolysis will be reported with a comment regarding negative interference.
Testing Location Chemistry-DSC, FMC, PLC, RGH, SHC
Testing Frequency Daily
Alternate Name(s) High Sensitivity Troponin; TNT; Troponin, High Sensitivity
Reference Interval

Normal

< 14 ng/L

Borderline Elevation

14 - 52 ng/L

Clear Elevation

>52 ng/L


Click here for critical values.