Troponin T (Blood)

Department

Refer to Testing Lab link

Delphic Registration Code (Alpha Code)

TNT

Test Code (Numeric Code)

8385

Laboratory Handling

Registration

Chemical Pathologist approval is required for Troponin T request on non-cardiology patients. Register with the test code TROT or register NOTE with the &TROPT comment. Please email our Chemical Pathologist for the approval.

Laboratory

Test not usually urgent - send with next available courier, send with a copy of form

Test Adds Requirement

Please note down the Cardiologist's name when adding the TNT test

Sample Stability

24 hours at 2-8°C, 12 months at -20°C

Synonyms

Troponin T High Sensitivity
TNT
hsTnT

Turnaround Time

3 hours

This test may be vetted by the laboratory. Please include relevant clinical information on the request form to ensure appropriate tests are approved. See the 'Clinical Information' section on the testing laboratory's test guide for more information on the indications for testing.

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin - Non-gel (Green Cap)
Preferred
  • SST II (Gold Cap)
Acceptable
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

3.5

Minimum Sample Volume (ml)

0.5

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Heparin (Microtainer)
Acceptable
  • SST(Microtainer)

Last updated: 13/11/2026