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