Clinical microbiologists typically differentiate members of the genus Acinetobacter from other Moraxellaceae by performing an oxidase test, as Acinetobacter spp. are the only members of the Moraxellaceae to lack cytochrome c oxidases.
Microbiologii clinici diferențieză membrii din genul Acinetobacter de alte Moraxellaceae prin efectuarea unui test al oxidazei, deoarece Acinetobacter spp. sunt singurii membri ai Moraxellaceae cărora le lipsesc oxidazele citocromului c.