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R50.9

Fever, unspecified

Billable

Code Hierarchy

R50R50.9

Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Section: R50-R69 - General symptoms and signs

Coding Guidelines

Inclusion Terms

Fever NOS
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Hyperpyrexia NOS
Persistent fever
Pyrexia NOS

Related Codes

R50.2Billable

Drug induced fever

R50.8Category

Other specified fever

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