Diagnosis Code

A85.1 ADENOVIRAL ENCEPHALITIS

Code Information

Diagnosis Code: A85.1

Short Description: Adenoviral encephalitis

Long Description: Adenoviral encephalitis

The code A85.1 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)
        • A85.1 Adenoviral encephalitis

Code Version: 2020 ICD-10-CM

Synonyms

  • Acute adenoviral encephalitis
  • Acute adenoviral meningoencephalitis
  • Acute viral encephalitis
  • Adenoviral encephalitis
  • Adenoviral encephalitis
  • Adenoviral meningitis
  • Encephalitis associated with AIDS
  • Encephalopathy associated with AIDS
  • Subacute adenoviral encephalitis
  • Subacute adenoviral encephalitis associated with AIDS
  • Subacute adenoviral encephalitis co-occurrent with human immunodeficiency virus infection
  • Viral meningoencephalitis

References to Index of Diseases and Injuries

The code A85.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Adenoviral meningoencephalitis

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A85.1 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
A85.2 Arthropod-borne viral encephalitis, unspecified
A85.8 Other specified viral encephalitis

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