R50
Fever of other and unknown origin
Non-billableCategory
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with R50
- R68.83 - chills without fever (R68.83)
- febrile convulsions (R56.0-)
- O75.2 - fever of unknown origin during labor (O75.2)
- P81.9 - fever of unknown origin in newborn (P81.9)
- R68.0 - hypothermia due to illness (R68.0)
- T88.3 - malignant hyperthermia due to anesthesia (T88.3)
- O86.4 - puerperal pyrexia NOS (O86.4)
