R50 Non-Billable Code

Fever of other and unknown origin

Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R50-R69 General symptoms and signs (R50-R69)

excludes1

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)

This code is not billable as it requires a higher level of specificity. Select a more specific code below.

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