MG26
Fever of other or unknown origin
Fever of other or unknown origin
Classification
ICD-11
Block
MG20-MG4YParent Code
BlockL2-MG2ICD-10 Mapping
4 equivalentsWHO Foundation
View on WHOICD-10 Equivalents(4)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(16)
Frequently Asked Questions
What is the ICD-11 code for fever of other or unknown origin?
The ICD-11 code for fever of other or unknown origin is MG26. The full clinical description is "Fever of other or unknown origin".
What does ICD-11 code MG26 mean?
ICD-11 code MG26 represents “Fever of other or unknown origin”. It is classified under Chapter 21: Symptoms, Signs or Clinical Findings, Not Elsewhere Classified.
What chapter is MG26 in?
MG26 is in Chapter 21: Symptoms, Signs or Clinical Findings, Not Elsewhere Classified (codes MA00-MH2Z).
What is the ICD-10 equivalent of ICD-11 code MG26?
MG26 maps to 4 ICD-10 codes: R50 (Fever of other and unknown origin), R50.2 (Drug induced fever), R50.8 (Other specified fever), and 1 more. ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What SNOMED CT codes does MG26 map to?
MG26 maps to 10 SNOMED CT concepts: 405543000, 409702008, 271749004, 111950007, 9619006, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code MG26?
MG26 is linked to 6 UMLS Concept Unique Identifiers: C2830447, C2830449, C0085594, C0015970, C2830450, and 1 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate Medical Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 and ICD-11 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.