A83.5

Billable

California encephalitis

California encephalitis

Status

Billable / Specific

Block

A80-A89

Parent Code

A83

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • California meningoencephalitis
  • La Crosse encephalitis

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • mosquito-borne viral meningoencephalitis

Excludes 1

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

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Related Codes(8)
A83.0

Japanese encephalitis

BillableA83.1

Western equine encephalitis

BillableA83.2

Eastern equine encephalitis

BillableA83.3

St Louis encephalitis

BillableA83.4

Australian encephalitis

BillableA83.6

Rocio virus disease

BillableA83.8

Other mosquito-borne viral encephalitis

BillableA83.9

Mosquito-borne viral encephalitis, unspecified

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

1C8ZViral infections of the central nervous system, unspecifiedequivalentPrimary
Also Known As / Clinical Terms(97)

SNOMED CT

UMLS

Clinical Terms

  • Encephalitis, California
  • Neuroinvasive California encephalitis virus infection
  • Neuroinvasive California encephalitis virus infection (disorder)
  • Encephalitis, La Crosse
  • Meningitis caused by California Orthobunyavirus
  • California encephalitis virus infection
  • Invasive viral infection
  • Invasive viral infectious disease
  • California meningoencephalitis virus disease
  • La Crosse encephalitis (disorder)
  • CALIFORNIA VIRAL ENCEPH
  • CALIFORNIA ENCEPH
  • La Crosse encephalitis
  • lacrosse encephalitis
  • California encephalitis virus infection neuroinvasive disease
  • Viral Encephalitis, California
  • VIRAL ENCEPH CALIFORNIA
  • Jamestown Canyon virus disease
  • La Crosse Encephalitis Virus Infection
  • La Crosse virus encephalitis
  • California serogroup virus neuroinvasive disease (disorder)
  • La Crosse meningitis
  • California serogroup virus neuroinvasive disease
  • Encephalitis, California, Viral
  • California virus encephalitis
  • California meningoencephalitis
  • California Orthobunyavirus viral meningitis
  • California Viral Encephalitis
  • Keystone virus encephalitis
  • ENCEPH CALIFORNIA VIRAL
  • Encephalitis california
  • Encephalitis, California Viral
  • encephalitis lacrosse
  • CE - California encephalitis
  • California encephalitis virus infection (disorder)
  • Jamestown Canyon virus encephalitis
  • LAC - La Crosse encephalitis
  • Meningitis caused by La Crosse virus
  • ENCEPH CALIFORNIA
  • Snowshoe hare virus encephalitis
Frequently Asked Questions
What is the ICD-10 code for california encephalitis?

The ICD-10-CM code for california encephalitis is A83.5. The full clinical description is "California encephalitis". A83.5 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code A83.5 mean?

ICD-10-CM code A83.5 represents “California encephalitis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.

Is A83.5 a billable code?

Yes, A83.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is A83.5 in?

A83.5 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A83.5?

A83.5 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 A83.5?

Yes, when using A83.5, also report: resistance to antimicrobial drugs (Z16.-).

What SNOMED CT codes does A83.5 map to?

A83.5 maps to 11 SNOMED CT concepts: 417075004, 404239005, 416442006, 418531007, 1300187005, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for A83.5?

A83.5 is linked to 2 UMLS Concept Unique Identifiers: C0014053, C0276379. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does A83.5 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like california encephalitis affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of A83.5?

A83.5 maps to the ICD-11 code: 1C8Z (Viral infections of the central nervous system, unspecified).

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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.