Diagnosis Code: R50

Short Description: Fever of other and unknown origin

Long Description: Fever of other and unknown origin

The code R50 is NOT VALID for claim submission

Code Classification:

• Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
  • General symptoms and signs (R50-R69)
    • Fever of other and unknown origin (R50)
      • R50 Fever of other and unknown origin

Code Version: 2022 ICD-10-CM

References to Index of Diseases and Injuries

The code R50 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Type 1 Excludes Notes:
  • 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*)

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This page was last updated on: 10/1/2023

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