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R50Fever of other and unknown origin

Non-Billable/Non-Specific

Type 1 Excludes

  • chills without fever (R68.83)
  • febrile convulsions (R56.0-)
  • fever of unknown origin during labor (O75.2)
  • fever of unknown origin in newborn (P81.9)
  • hypothermia due to illness (R68.0)
  • malignant hyperthermia due to anesthesia (T88.3)
  • puerperal pyrexia NOS (O86.4)

Codes

  • R50.2Drug induced fever
  • R50.8Other specified fever
    • R50.81Fever presenting with conditions classified elsewhere
    • R50.82Postprocedural fever
    • R50.83Postvaccination fever
    • R50.84Febrile nonhemolytic transfusion reaction
  • R50.9Fever, unspecified