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This application is a service of the Singapore Government.

Health Sciences Authority



Toxicology FAQs

Why should the specimen be sealed?

The specimen needs to be sealed to ensure its integrity from procurement to transportation to the laboratory for analysis. This is especially important for medico-legal cases in order for the evidence to be legally defensible in court.

What is the appropriate container/tube for specimen submission?

Please refer to the ‘Sample submission’ page.

How much specimen is required for analysis?

Please refer to the ‘Sample submission’ page.

Where should I send the specimen to?

Please ask your dispatcher to send the specimen to the Clinical & Forensic Toxicology Unit, Analytical Toxicology Laboratory located on level 3 of the HSA building which is opposite Outram Park MRT station.

I can only dispatch the specimen on the next working day, where should I store the specimen overnight?

Specimens should be stored in the fridge kept at 2-8°C, especially for volatile substances (such as toluene, ethyl chloride in blood) which must be stored in the fridge as soon as possible.

What is the turn-around time for toxicology analysis?

The formal reports will typically be available within 14 working days from the date of submission.