Testing for mechanisms of resistance

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5 Phenotypic tests

Phenotypic tests are carried out more frequently than genotypic tests as they are easier to perform and require less sophisticated/specialised equipment. They include the following, discussed in more detail below:

use of indicator antimicrobials
testing for inducible resistance
synergy tests
use of interpretative panels
antigen detection tests
colorimetric tests.

4.2 The approach used to determine the resistance mechanism

5.1 Use of indicator antimicrobials

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Testing for mechanisms of resistance

5 Phenotypic tests