AutoICD API

A86

Billable

Unspecified viral encephalitis

Unspecified viral encephalitis

Status

Billable / Specific

Block

A80-A89

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Viral encephalomyelitis NOS
  • Viral meningoencephalitis NOS

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible

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)

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

UMLS

Frequently Asked Questions

What is ICD-10 code A86?

ICD-10-CM code A86 represents "Unspecified viral encephalitis". It is a billable/specific code that can be used on a claim.

Is A86 a billable code?

Yes, A86 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is A86 in?

A86 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A86?

A86 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 1 more.

Are additional codes required with A86?

Yes, when using A86 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).

What SNOMED CT codes does A86 map to?

A86 maps to 25 SNOMED CT concepts: 822021000000103, 230161000, 111897007, 1163106008, 1163470008, and 20 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for A86?

A86 is linked to 3 UMLS Concept Unique Identifiers: C0243010, C2900458, C1403880. 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.