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Peripheral Laboratories in the NTEP need to send biological samples (such as sputum) to nearby Culture and Drug Susceptibility Testing (CDST) laboratories for advanced testing (eg Drug Resistance Testing). The samples need to be safely packaged and transported such that there is no spillage or contamination.

The items required for safe packaging biological specimens are: 

  1. Falcon tubes
  2. Three-layer packing materials like thermocol box
  3. Ice gel pack (pre-frozen at -20oC for 48 hours)
  4. Request for CDST forms
  5. Polythene bags
  6. Tissue paper roll for absorbent packing
  7. Parafilm tapes
  8. Brown tape for packing the thermocol box
  9. Permanent marker pen
  10. Labels with 'To' and 'From' address and blank labels for sample details 
  11. Biohazard sticker
  12. Scissors
  13. Spirit swab 

Figure: Items needed for packaging of biological specimens for CDST laboratory; Source: Guidelines for Programmatic Management of Drug Resistant TB in India, 2021

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