R65 Symptoms and signs specifically associated with systemic inflammation and infectionNon-billable header with 2 child codes.
R65 Symptoms and signs specifically associated with systemic inflammation and infection (this code)R65.1 Systemic inflammatory response syndrome (SIRS) of non-infectious originR65.10 Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunctionR65.11 Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunctionR65.2 Severe sepsisR65.20 Severe sepsis without septic shock