Diagnosis Code

A85.8 OTHER SPECIFIED VIRAL ENCEPHALITIS

Code Information

Diagnosis Code: A85.8

Short Description: Other specified viral encephalitis

Long Description: Other specified viral encephalitis

The code A85.8 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Viral and prion infections of the central nervous system (A80-A89)
      • Other viral encephalitis, not elsewhere classified (A85)
        • A85.8 Other specified viral encephalitis

Code Version: 2020 ICD-10-CM

Synonyms

  • Arbovirus encephalitis
  • Cache Valley virus infection
  • Disease due to Flaviviridae
  • Disease due to Nairovirus
  • Encephalitis caused by Alphavirus
  • Encephalitis caused by Hendra virus
  • Encephalitis caused by Nipah virus
  • Encephalitis caused by Polyoma virus
  • Encephalitis caused by Rubulavirus
  • Encephalitis caused by tick-borne encephalitis virus
  • Encephalitis due to European subtype of tick-borne encephalitis virus
  • Encephalitis due to Langat virus
  • Encephalitis lethargica
  • Hendra virus infection
  • Human immunodeficiency virus encephalitis
  • Infection caused by Henipavirus
  • Infection caused by Henipavirus
  • Infection due to Nipah virus
  • Kumlinge virus encephalitis
  • Nairoviral encephalitis
  • Negishi encephalitis
  • Neuroinvasive Cache Valley encephalitis virus infection
  • Neuroinvasive Cache Valley virus disease
  • Rhabdovirus encephalitis
  • Rio Bravo fever
  • Rio Bravo viral encephalitis
  • Tensaw encephalitis
  • Tensaw virus disease
  • Thogoto virus disease

References to Index of Diseases and Injuries

The code A85.8 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Encephalitis lethargica
    • Von Economo-Cruchet disease

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A85.8 Right Arrow 049.8 Viral encephalitis NEC
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
A85 Other viral encephalitis, not elsewhere classified
A85.0 Enteroviral encephalitis
A85.1 Adenoviral encephalitis
A85.2 Arthropod-borne viral encephalitis, unspecified

This page was last updated on: 10/1/2019