R50.9 – Fever, unspecified
Coding Notes
Active
Billable, valid for HIPAA-covered transactions
Applicable To
Fever NOS
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Hyperpyrexia NOS
Persistent fever
Pyrexia NOS
GEM Conversion to ICD-9 CM
Fs: 10000
–
Fever, unspecified
MDC / MS-DRG Reference
Back Reference of Diagnostic Codes
Elevated, elevation
body temperature
(of unknown origin)
R50.9
intermittent
(bilious)
See also Malaria
persistent
(of unknown origin)
R50.9
High
temperature
(of unknown origin)
R50.9
Temperature
body, high
(of unknown origin)
R50.9
Sibling Codes
Parent Sibling Codes
View in Tabular
Code | Title |
---|---|
R00-R99 | Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) |
R50-R69 | General symptoms and signs (R50-R69) |
R50 | Fever of other and unknown origin |
R50.9 |
Fever, unspecified
Applicable to
Fever NOS
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Hyperpyrexia NOS
Persistent fever
Pyrexia NOS
|