Specimen Carriers

Technical specifications for TB diagnosis specimen carriers are as follows:

Thermocol Box:

• Thickness of box - 2.5 cm
• Outer dimensions: Length - 18.5 cm, breadth - 13 cm, height - 12 cm (without lid), height - 14 cm (with lid); Inner dimensions: Length - 14.5 cm, breadth - 8 cm, height - 12 cm (without lid), height - 13 cm (with inner part of lid).

Gel Pack:

• Number of gel packs required: 2
• Weight of fully packed consignment box: 400 grams
• Gel packs maintain a temperature between 12-20ºC for up to approximately 48 hours in tightly packed thermocol boxes (average outside temperature 35ºC)
• Conditioning in the deep freezer (temperature between -20 to -15ºC) for a minimum 48 hours to a maximum 72 hours before use, is required. 

This is a one-time use carrier since the thermocol boxes and the gel packs are not reused.

Figure: TB Diagnostic Specimen Carrier - Thermocol Box with Gel Packs; Source: NTEP Guidelines for Programmatic Management of Drug Resistant TB in India, 2021

Resources

• Training Module (1-4) for Program Managers and Medical Officer, NTEP, MoHFW, 2020.
• Guidelines for Programmatic Management of Drug Resistant TB in India, 2021.

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