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ii. Identify the UN class applicable to the specimen category. Refer to
Appendix 1.

iii. Categorize the patients’ specimens according to Category A, Category B,
Category C or Exempt Substances and specimens containing
preservatives (Appendix 2, 3 and 4)

iv. Pack all patients’ specimens according to categories specified in IATA
packaging instructions. Different categories have slightly different
packaging needs specified in IATA packaging instructions, but all follow
the basic triple packaging (Appendix 7 and 8) requirement. Ensure that
packages will arrive at their destination in good condition and present no
hazard to persons or animals during transport.

v. Pack Category A biological materials for air transport following
requirements in IATA Packaging instructions 620 (Appendix 11:
Packaging Instruction/PI). Use the package which is marked with the
appropriate UN numbers and proper shipping names (UN 2814 for
infectious substance affecting human). Refer to Appendix 3.

vi. Pack Category B biological materials for air transport following
requirements in IATA Packaging instructions 650 (Appendix 11: PI). Use
the package with the appropriate UN number and proper shipping name
(UN 3373 for biological substance for Category B). Refer to Appendix 3.

vii. Pack, mark and label all infectious substances using a triple packaging
system (Appendix 7 and 8). The system comprises a primary receptacle,
secondary packaging and an outer packaging.

viii. A leak-proof primary receptacle (container):
• Label the primary container with the name of patient, identification card
or hospital registration number, specimen type (if necessary) and test
request
• Secure the primary receptacle with a water proof, leak-proof seal and
secure the screw cap with a stretch wrapping eg. parafilm or masking
tape.
• For tissue specimen in preservative (for HPE) plastic bag should not
be used as primary receptacle.
• Specimens sent in liquid nitrogen should be placed in a dry shipper (a
vacuum flask that are designed for the safe shipment of specimen at
liquid nitrogen temperature without the risk of spilling liquid nitrogen).
• Microscopic slides for HPE should be packaged together by surgical
number. These often become broken in shipment unless carefully
packaged. Commercially available plastic slide holders manufactured
to withstand shipment should be used or the slides should be

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