R50Non-billable (header)

Fever of other and unknown origin

Related Codes· General symptoms and signs (R50-R69)

R51HeadacheR52Pain, unspecifiedR53Malaise and fatigueR54Age-related physical debilityR55Syncope and collapseR56Convulsions, not elsewhere classifiedR57Shock, not elsewhere classifiedR58Hemorrhage, not elsewhere classifiedR59Enlarged lymph nodesR60Edema, not elsewhere classifiedR61Generalized hyperhidrosisR62Lack of expected normal physiological development in childho…R63Symptoms and signs concerning food and fluid intake

Sub-codes of R50(3)

R50 is a non-billable header. Select a sub-code to bill.

R50.2Drug induced fever✓ BillableR50.8Other specified feverHeaderR50.9Fever, unspecified✓ Billable

✗ 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

┌18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)├R50-R69General symptoms and signs (R50-R69)├R50Fever of other and unknown origin
└R50Fever of other and unknown origin

Not sure between two codes?

⇄ Compare R50 with another code →
← Back to search