R50

The ICD-10-CM code for fever of other and unknown origin is R50. The full clinical description is "Fever of other and unknown origin". R50 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code R50 represents “Fever of other and unknown origin”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.

No, R50 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under R50.

R50 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

R50 has Excludes1 notes indicating codes that cannot be used together with it, including: chills without fever (R68.83); febrile convulsions (R56.0-); fever of unknown origin during labor (O75.2); and 4 more.

R50 has 3 child codes, including: R50.2 (Drug induced fever), R50.8 (Other specified fever), R50.9 (Fever, unspecified).

R50 is linked to 1 UMLS Concept Unique Identifier: C2830447. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like fever of other and unknown origin affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

R50 maps to the ICD-11 code: MG26 (Fever of other or unknown origin).