A83.0 – Japanese encephalitis
ICD-10-CM 2027 diagnosis code · Viral and prion infections of the central nervous system
ICD-10-CM code
A83.0
- Code
A83.0(claims format:A830)- Description
- Japanese encephalitis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A80-A89 Viral and prion infections of the central nervous system
- Parent codes
- A83
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A83 – Mosquito-borne viral encephalitis
Includes:
- mosquito-borne viral meningoencephalitis
Excludes2 (not included here):
Block A80-A89
Index terms for A83.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Encephalitis, summer
- Encephalitis, type, B
- Encephalitis, Japanese
- Japanese, B-type encephalitis
- Encephalitis, Russian, autumnal
- Infection, infected, infective, Japanese B encephalitis
- Encephalitis, viral, virus, arthropod-borne NEC, mosquito-borne, type B
- Encephalitis, viral, virus, arthropod-borne NEC, mosquito-borne, Japanese
Related codes in A83
- A83.1 – Western equine encephalitisBillable
- A83.2 – Eastern equine encephalitisBillable
- A83.3 – St Louis encephalitisBillable
- A83.4 – Australian encephalitisBillable
- A83.5 – California encephalitisBillable
- A83.6 – Rocio virus diseaseBillable
- A83.8 – Other mosquito-borne viral encephalitisBillable
- A83.9 – Mosquito-borne viral encephalitis, unspecifiedBillable
Frequently asked questions
What is ICD-10 code A83.0?
A83.0 is the ICD-10-CM code for japanese encephalitis, in the block A80-A89 (Viral and prion infections of the central nervous system).
Is A83.0 a billable code?
Yes. A83.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A83.0 belong to?
It belongs to category A83 – Mosquito-borne viral encephalitis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.