Microbial IC50 Fold Change from Reference

**Semantic type:** Laboratory or Test Result

**Definition:** A fold change based on the concentration of a specific drug expected to produce 50 percent inhibition on the enzymatic activity of a microbial organism; it is a ratio calculated by the IC50 Subject Result divided by the IC50 Reference Control Result.

**Synonyms:** - MIC50FCR - Microbial IC50 Fold Change from Ref - Microbial IC50 Fold Change from Ref