ICD-10 Code
International Classification of Diseases, 10th Revision
Feb 17, 2018
  ICD-10 Code for California encephalitis A83.5

A83.5 is a valid1 ICD 10 diagnosis code.

A83.5 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section A80-A89 Viral and prion infections of the central nervous system (A80-A89)
Category A83 Mosquito-borne viral encephalitis

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • California meningoencephalitis
  • La Crosse encephalitis
See also ICD 10 code for

Related Terms to “California encephalitis”

See the ICD-10-CM Coding Guidelines.

Questions related to A83.5 California encephalitis

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.