Troponin T (TnThs)

Blood Sciences Test

Specimen

Serum

Units

ng/L

Reference Range

< 14 ng/L

Test Usage

HS-troponin T can help to quickly rule out a type of heart attack called an NSTEMI. A normal result can be used to rule out people who do not need to go to hospital, and those with a confirmed NSTEMI can get treatment more quickly.

NSTEMI

Symptoms concerning of an NSTEMI (Please note independent troponins hold little predictive value of diagnosing ACS in the context of COVID 19. Trend values are still helpful please follow trend value guide below)
ECG shows non-specific or suspicious changes
Treat as per clinician as ACS.

See local trust policy for further information:

https://hub.exe.nhs.uk/EasysiteWeb/getresource.axd?AssetID=139487&type=Full&servicetype=Attachment

Please note that Troponin T may stay elevated for up to 7 days post MI

Availability

Local test

Turnaround Time

1 day

Can be added on to an existing request up to 4 days following sample receipt

Specimen Labelling Procedure