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Quantiferon Gold - Exposure to M. tuberculosis

Alternate Names
Quantiferon Gold TB, Quantiferon Gold IT, IGRA
Ordering Information

PLEASE NOTE: New order of draw:

  • 1 grey top tube (Nil)
  • 1 green top tube (TB Antigen 1)
  • 1 yellow top tube (TB Antigen 2)
  • 1 purple top tube (Mitogen)

Please ensure tubes are filled to a level within the line marker; under-filled and over-filled tubes are unsuitable for testing.

Samples for Quantiferon Gold should NOT be collected on Saturdays. 

Laboratory
Biochemistry
Specimen
Blood
Container
See collection instructions
Additional Collection Instructions

Four special blood collection tubes packaged together with instructions and available from the Specimen Collection Centre or Microbiology: must be collected in the following order

  • 1 grey top tube (Nil)
  • 1 green top tube (TB Antigen 1)
  • 1 yellow top tube (TB Antigen 2)
  • 1 purple top tube (Mitogen)

All 4 tubes MUST be collected and tied together with an elastic band after collection.

Collect 1 mL blood into each tube and mix by inversion 10 times. Thorough mixing is required to dissolve the antigen coated onto the inside of the tubes.

 

 

     

 

     
Minimum Adult Volume
None
Minimum Paediatric Volume
None
Frequency
Once a week