Final answer:
UN3373 is an example of a United Nations guidance code for diagnostic packaging. It is used for biological substances that pose potential health risks, and the packaging follows certain safety guidelines.
Step-by-step explanation:
The United Nations provides guidance code for the packaging of diagnostic specimens to ensure safe transport. A common example is UN3373, a code used for biological substances that may contain bacteria, viruses, or toxins, which could pose potential threats to health. The UN3373 packaging includes a leak-proof primary receptacle, a leak-proof secondary packaging, and an outer packaging. It adheres to the Model Regulations on the Transport of Dangerous Goods established by the United Nations.
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