A83.2
BillableEastern equine encephalitis
Eastern equine encephalitis
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- mosquito-borne viral meningoencephalitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •postpolio syndromeG14
- •sequelae of poliomyelitisB91
- •sequelae of viral encephalitisB94.1
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •Venezuelan equine encephalitisA92.2
- •West Nile feverA92.3
- •West Nile virusA92.3
Use Additional Code
Additional codes that should follow this code
Related Codes(8)
A83.0Japanese encephalitis
A83.1Western equine encephalitis
A83.3St Louis encephalitis
A83.4Australian encephalitis
A83.5California encephalitis
A83.6Rocio virus disease
A83.8Other mosquito-borne viral encephalitis
A83.9Mosquito-borne viral encephalitis, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(70)
SNOMED CT
- Eastern equine encephalitis virus infection416925005
- Encephalitis, Eastern equine416925005
- EEE - Eastern equine encephalitis417496004
- Eastern equine encephalitis virus neuroinvasive disease417496004
- Eastern equine encephalomyelitis417496004
- Neuroinvasive Eastern equine encephalitis virus disease417496004
- Neuroinvasive Eastern equine encephalitis virus infection417496004
- Eastern equine encephalitis virus non-neuroinvasive disease417573001
- Non-neuroinvasive Eastern equine encephalitis virus infection417573001
- Alphavirus encephalitis721766005
- Encephalitis caused by Alphavirus721766005
- Invasive viral infection1300187005
- Invasive viral infectious disease1300187005
UMLS
- EASTERN EQUINE ENCEPHC0153065
- EEE - Eastern equine encephalitisC0153065
- ENCEPH EASTERN EQUINEC0153065
- Eastern Equine EncephalitidesC0153065
- Eastern Equine EncephalitisC0153065
- Eastern Equine EncephalomyelitidesC0153065
- Eastern Equine EncephalomyelitisC0153065
- Eastern Equine Encephalomyelitis Virus InfectionC0153065
- Eastern equine encephalitisC0153065
- Eastern equine encephalitis virus infectionC0153065
- Eastern equine encephalitis virus infection (disorder)C0153065
- Eastern equine encephalitis virus neuroinvasive diseaseC0153065
- Eastern equine encephalomyelitisC0153065
- Encephalitides, Eastern EquineC0153065
- Encephalitis eastern equineC0153065
- Encephalitis, Eastern EquineC0153065
- Encephalitis, Eastern equineC0153065
- Encephalomyelitides, Eastern EquineC0153065
- Encephalomyelitis, Eastern EquineC0153065
- Equine Encephalitides, EasternC0153065
- Equine Encephalitis, EasternC0153065
- Equine Encephalomyelitides, EasternC0153065
- Equine Encephalomyelitis, EasternC0153065
- Neuroinvasive Eastern equine encephalitis virus diseaseC0153065
- Neuroinvasive Eastern equine encephalitis virus infectionC0153065
- Neuroinvasive Eastern equine encephalitis virus infection (disorder)C0153065
- eastern equine encephalitisC0153065
- eeeC0153065
Clinical Terms
- Invasive viral infection
- Invasive viral infectious disease
- ENCEPH EASTERN EQUINE
- Eastern Equine Encephalomyelitis Virus Infection
- Eastern Equine Encephalitides
- Alphavirus encephalitis
- Neuroinvasive Eastern equine encephalitis virus infection (disorder)
- Neuroinvasive Eastern equine encephalitis virus infection
- Encephalitis, Eastern Equine
- eee
- Eastern equine encephalomyelitis
- Equine Encephalitis, Eastern
- Eastern Equine Encephalomyelitides
- Encephalitides, Eastern Equine
- EEE - Eastern equine encephalitis
- Encephalomyelitides, Eastern Equine
- Eastern equine encephalitis virus neuroinvasive disease
- Encephalitis caused by Alphavirus
- Equine Encephalitides, Eastern
- Equine Encephalomyelitides, Eastern
- Eastern equine encephalitis virus infection
- Non-neuroinvasive Eastern equine encephalitis virus infection
- Encephalitis eastern equine
- Equine Encephalomyelitis, Eastern
- EASTERN EQUINE ENCEPH
- Neuroinvasive Eastern equine encephalitis virus disease
- Eastern equine encephalitis virus infection (disorder)
- Eastern equine encephalitis virus non-neuroinvasive disease
- Encephalomyelitis, Eastern Equine
Frequently Asked Questions
What is the ICD-10 code for eastern equine encephalitis?
The ICD-10-CM code for eastern equine encephalitis is A83.2. The full clinical description is "Eastern equine encephalitis". A83.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A83.2 mean?
ICD-10-CM code A83.2 represents “Eastern equine encephalitis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A83.2 a billable code?
Yes, A83.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A83.2 in?
A83.2 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A83.2?
A83.2 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; postpolio syndrome (G14); sequelae of poliomyelitis (B91); and 1 more.
Are additional codes required with A83.2?
Yes, when using A83.2, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A83.2 map to?
A83.2 maps to 5 SNOMED CT concepts: 721766005, 417496004, 416925005, 417573001, 1300187005. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A83.2?
A83.2 is linked to 1 UMLS Concept Unique Identifier: C0153065. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A83.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like eastern equine encephalitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of A83.2?
A83.2 maps to the ICD-11 code: 1C84 (Eastern equine encephalitis).
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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.