Medical specimens must be packed, labelled and shipped following legal provisions and requirements of the carrier. The primary vessel (mostly blood containers) and the secondary packaging must be liquid-tight, and the space between primary vessel and secondary packaging must contain sufficient absorption material.
Category A classifies specimens suspected to contain life-threatening pathogens (Biological Risk Group 4, e.g. Haemorrhagic Fever Viruses). They are assigned UN Code 2814 „Contagious Substance, Hazardous to Humans“. They must be packaged according to Packaging Form P 620 and shipped under defined safety precautions.
