864 - Fever And Inflammatory Conditions
- R50.2 - Drug induced fever
- R50.81 - Fever presenting with conditions classified elsewhere
- R50.82 - Postprocedural fever
- R50.83 - Postvaccination fever
- R50.84 - Febrile nonhemolytic transfusion reaction
- R50.9 - Fever, unspecified
- R65.10 - Systemic inflammatory response syndrome (SIRS) of non-infectious origin without acute organ dysfunction
- R65.11 - Systemic inflammatory response syndrome (SIRS) of non-infectious origin with acute organ dysfunction