The terms "septicemia", also spelled "septicaemia", and "blood poisoning" referred to the microorganisms or their toxins within the blood. The Worldwide Statistical Classification of Diseases and Related Health conditions (ICD) version nine, which was in use within the US right up until 2013, utilised the expression septicemia with several modifiers https://eduardobgkps.wikifordummies.com/8143307/septic_fundamentals_explained