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ICD-10-CM R50 — Fever of other and unknown origin | Codelle

R50

ICD-10-CM

Fever of other and unknown origin

Clinical Notes

Excludes 1 — Not coded here

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)

Code Hierarchy

Subcodes (3)

R50.2Drug induced fever

R50.8Other specified fever

R50.9Fever, unspecified

Same Category

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

R50.9

Fever, unspecified