Culturing of Mycobacteria: Labelling of Reagents

All reagents used in the laboratory culturing Mycobacteria have to be labelled.

Reagent containers are to be labelled with the:

• Name of the reagent
• Date prepared
• Expiry date
• Batch lot number
• Technician initials

Mycobacteria Growth Indicator Tube (MGIT) tubes are labeled as “GC” for Growth Control suspension in the MGIT tube specimen, similarly for Culture and Drug Sensitivity Testing (C&DST), barcode label is required for each MGIT tube.

For freezing of MTB isolates, cryotube with study label should contain:

• Screening and/or subject ID
• Visit number
• Aliquot or sputum specimen #
• Date cryotube is prepared 
• Lab accession number

See the example below:

Resources

• Mycobacteriology Laboratory Manual, WHO, 2014.

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