Home > 2014 ICD-10-CM Diagnosis Codes > Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified R00-R99 > General symptoms and signs R50-R69 > Fever of other and unknown origin R50-
2014 ICD-10-CM Diagnosis Code R50.9
R50.9 is a billable ICD-10-CM code that can be used to specify a diagnosis.
On October 1, 2014 ICD-10-CM will replace ICD-9-CM in the United States, therefore, R50.9 and all other ICD-10-CM codes should only be used for training or planning purposes until then.
A disorder characterized by elevation of the body's temperature above the upper limit of normal.
A fever is a body temperature that is higher than normal. It is not an illness. It is part of your body's defense against infection. Most bacteria and viruses that cause infections do well at the body's normal temperature (98.6 f). A slight fever can make it harder for them to survive. Fever also activates your body's immune system.infections cause most fevers. There can be many other causes, including
treatment depends on the cause of your fever. Your health care provider may recommend using over-the-counter medicines such as acetaminophen or ibuprofen to lower a very high fever. Adults can also take aspirin, but children with fevers should not take aspirin. It is also important to drink enough liquids to prevent dehydration.
A rise in body temperature above the normal, often as a response to infection. [goc:jl]
An abnormal elevation of body temperature, usually as a result of a pathologic process.
An increase in body temperature above normal (98.6 degrees f), usually caused by disease.
Fever in which the etiology cannot be ascertained.
Fever: a documented body temperature higher than 38 degrees c., or 100.4 degrees f.
The elevation of the body's temperature above the upper limit of normal, usually taken as 37.7 degrees c.
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Febrile illness (fever)
Fever of unknown origin
Fever w chills
Pyrexia of unknown origin
Between 1999-2007 there were 345 deaths in the United States where ICD-10 R50.9 was indicated as the underlying cause of death [source: cdc.gov]
ICD-10 R50.9 as underlying cause of death data broken down by: gender, age, race, year
ICD-10-CM R50.9 is grouped within Diagnostic Related Group (MS-DRG v30.0):