R50.81
BillableFever presenting with conditions classified elsewhere
Fever presenting with conditions classified elsewhere
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Also Known As / Clinical Terms
SNOMED CT
- Polymer fume fever31803008
- Teflon shakes31803008
- Copper fever43098002
- Metal fever72163003
- Metal fume fever72163003
- Metal-fume fever72163003
- Monday fever72163003
- Monday morning fever72163003
- The smothers72163003
- Brass fever74800004
- Brass founders ague74800004
- Brass poisoning74800004
- Brass-founders' disease74800004
- Brass-founders' fever74800004
- Braziers' disease74800004
- Foundry syndrome74800004
- Foundrymen's fever74800004
- Intermittent fever77957000
- Periodic fever, not disease77957000
- Picket fence fever77957000
- ALF - Acute liver failure197270009
- Acute hepatic failure197270009
- Acute liver failure197270009
- Toxic inhalation-induced febrile illness233773006
- Malarial fever248437004
- Quotidien fever248438009
- Double quotidien fever248439001
- Tertian fever248440004
- Malignant tertian fever248441000
- Quartan fever248442007
- Charcot's fever248443002
- Intermittent hepatic fever248443002
- Febrile neutropenia409089005
- Neutropaenic fever409089005
- Neutropenic fever409089005
- Granulocytopenia417672002
- Granulocytopenic disorder417672002
- Febrile granulocytopenia426800001
- Febrile leucopenia427245000
- Febrile leukopenia427245000
- Anasarca442433009
- Paraneoplastic fever449129007
- COVID-19840539006
- Disease caused by 2019 novel coronavirus840539006
- Disease caused by 2019-nCoV840539006
- Disease caused by SARS-CoV-2840539006
- Disease caused by severe acute respiratory syndrome coronavirus 2840539006
- TAFRO (thrombocytopenia, anasarca, fever, renal insufficiency, organomegaly) syndrome1187615007
- TAFRO syndrome1187615007
- Thrombocytopenia, anasarca, fever, renal insufficiency, organomegaly syndrome1187615007
- Fever-associated acute infantile liver failure syndrome1208726006
- Fever caused by 2019 novel coronavirus119751000146104
- Fever caused by 2019-nCoV119751000146104
- Fever caused by SARS-CoV-2119751000146104
- Fever caused by severe acute respiratory syndrome coronavirus 2119751000146104
Frequently Asked Questions
What is ICD-10 code R50.81?
ICD-10-CM code R50.81 represents "Fever presenting with conditions classified elsewhere". It is a billable/specific code that can be used on a claim.
Is R50.81 a billable code?
Yes, R50.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R50.81 in?
R50.81 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R50.81?
R50.81 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.
What SNOMED CT codes does R50.81 map to?
R50.81 maps to 24 SNOMED CT concepts: 233773006, 197270009, 442433009, 74800004, 840539006, and 19 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R50.81?
R50.81 is linked to 1 UMLS Concept Unique Identifier: C2349670. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.