ICD-10 Code
International Classification of Diseases, 10th Revision
Feb 23, 2019

See: Other viral encephalitis, not elsewhere classified

  ICD-10 Code for Other specified viral encephalitis A85.8

A85.8 is a valid1 ICD 10 diagnosis code.

A85.8 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 A85 Other viral encephalitis, not elsewhere classified

• 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
  • Encephalitis lethargica
  • Von Economo-Cruchet disease
See also ICD 10 code for

Related Terms to “Other specified viral encephalitis”

  • Cruchet's disease - A85.8
  • Economo's disease - A85.8
  • Encephalitis(chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) - G04.90
    • acute - A86See also Encephalitis, viral
      • inclusion body - A85.8
    • lethargica(acute) (infectious) - A85.8
    • Mengo - A85.8
    • Rio Bravo - A85.8
    • Vienna - A85.8
    • viral, virus - A86
      • specified type NEC - A85.8
  • Von Economo-Cruchet disease - A85.8
See the ICD-10-CM Coding Guidelines.

Questions related to A85.8 Other specified viral 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.