ICD-9-CM Code 995.92

Severe sepsis
Sepsis with acute organ dysfunction
Sepsis with multiple organ dysfunction (MOD)
Systemic inflammatory response syndrome due to infectious process with acute organ dysfunction
Code first underlying infection
Use additional code to specify acute organ dysfunction, such as:

acute kidney failure (584.5-584.9), acute respiratory failure (518.81), critical illness myopathy (359.81), critical illness polyneuropathy (357.82), disseminated intravascular coagulopathy (DIC) syndrome (286.6), encephalopathy (348.31), hepatic failure (570), septic shock (785.52)