Complete ICD-10-CM coding and documentation guide for icd-10 coding for fever of unknown origin includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Fever of Unknown Origin
Use ICD-10 code R50.9 for fever, unspecified, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
HIV disease
Use if FUO is related to HIV.
Other specified disorders of white blood cells
Use if leukocytosis is present.
The ICD-10 code for fever of unknown origin is R50.9, used when fever persists for over 3 weeks without an identifiable cause.
Use R50.9 when a patient has a fever lasting over 3 weeks with no identifiable cause after thorough evaluation.