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Serology
2023 EQA SCHEMES
EQA 2023 - Aspergillus Serology (FONG)
Expert Biologists - Scheme Coordinators:
Estelle BUGNI and Florence PERSAT
EQA performed since 2012
Number of participating laboratories in 2022: 52

1 – Scheme overview

3 possible options:

  • Aspergillus galactomannan antigen (FONG-Ag) assessment
  • Anti-Aspergillus antibodies (FONG-Ac) assessment
  • Aspergillus galactomannan antigen AND Anti-Aspergillus antibodies (FONG-T) assessment
Panneau attention Scheme Limited to Metropolitan France excluding Corse.

2 – Assessment frequency

Aspergillus galactomannan antigen assessment :

  • Number of investigations per year: 4
  • Number of control samples per investigation: 1 or 2
  • Number of samples per year: 6

Anti-Aspergillus antibodies assessment :

  • Number of investigations per year: 4
  • Number of control samples per investigation: 1
  • Number of samples per year: 4

3 – List of tests assessed

  • Aspergillus galactomannan antigen (FONG-ag) assessment :
    • Aspergillus antigen - Index
    • Aspergillus antigen - Qualitative
  • Anti-Aspergillus antibodies (FONG-Ac) assessment

4 – Description of the control samples

Liquid human control serums (ready-to-use). Aspergillus antigen sample volume: 900 µL; Aspergillus antibodies sample volume: 350 µL.

Panneau attention For Aspergillus antigen: The sample volume is appropriate for one test and one confirmation. An additional kit should be ordered if the volume is insufficient.
For Aspergillus antibodies: An additional kit should be ordered if the volume is insufficient, depending on the technique and material used.
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