A85.8

Billable

Other specified viral encephalitis

Other specified viral encephalitis

Status

Billable / Specific

Block

A80-A89

Parent Code

A85

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Encephalitis lethargica
  • Von Economo-Cruchet disease

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • specified viral encephalomyelitis NEC
  • specified viral meningoencephalitis NEC

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters
  • postpolio syndrome (G14)
  • sequelae of poliomyelitis (B91)
  • sequelae of viral encephalitis (B94.1)
  • encephalitis due to cytomegalovirus (B25.8)
  • encephalitis due to herpesvirus NEC (B10.0-)
  • encephalitis due to herpesvirus [herpes simplex] (B00.4)
  • encephalitis due to measles virus (B05.0)
  • encephalitis due to mumps virus (B26.2)
  • encephalitis due to poliomyelitis virus (A80.-)
  • encephalitis due to zoster (B02.0)
  • lymphocytic choriomeningitis (A87.2)
  • myalgic encephalomyelitis (G93.32)

Excludes 2

Conditions not included here, but the patient may have both

  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Additional codes that should follow this code

  • code to identify resistance to antimicrobial drugs (Z16.-)

Also Known As / Clinical Terms

SNOMED CT

Frequently Asked Questions

What is ICD-10 code A85.8?

ICD-10-CM code A85.8 represents "Other specified viral encephalitis". It is a billable/specific code that can be used on a claim.

Is A85.8 a billable code?

Yes, A85.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is A85.8 in?

A85.8 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A85.8?

A85.8 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; postpolio syndrome (G14); sequelae of poliomyelitis (B91); and 10 more.

Are additional codes required with A85.8?

Yes, when using A85.8 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What SNOMED CT codes does A85.8 map to?

A85.8 maps to 74 SNOMED CT concepts: 721766005, 192687008, 1163106008, 1163103000, 1163104006, and 69 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for A85.8?

A85.8 is linked to 3 UMLS Concept Unique Identifiers: C0014040, C0348170, C2900457. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.