Dysbiosis | Rimsskaya chronicle Dysbiosis - (From the Greek, etc. ??? -- prefix negating the positive sense of the word, or reinforce the negative, and the "bacteria") - a qualitative change in the species composition of the normal bacteria (microbiota) of the intestine or skin. In international klassfikatsii disease disease "dysbiosis" does not exist. ICD-9 can be classified as "other specified intestinal absorption disorder" (English other specified intestinal malabsorption), the ICD-10 - "other bowel disease.