A84.8
Non-billableOther tick-borne viral encephalitis
Other tick-borne viral encephalitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- tick-borne viral meningoencephalitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •postpolio syndromeG14
- •sequelae of poliomyelitisB91
- •sequelae of viral encephalitisB94.1
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Child Codes (2)
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other tick-borne viral encephalitis?
The ICD-10-CM code for other tick-borne viral encephalitis is A84.8. The full clinical description is "Other tick-borne viral encephalitis". A84.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code A84.8 mean?
ICD-10-CM code A84.8 represents “Other tick-borne viral encephalitis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is A84.8 a billable code?
No, A84.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under A84.8.
What chapter is A84.8 in?
A84.8 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A84.8?
A84.8 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 1 more.
What are the subcategories under A84.8?
A84.8 has 2 child codes, including: A84.81 (Powassan virus disease), A84.89 (Other tick-borne viral encephalitis).
Are additional codes required with A84.8?
Yes, when using A84.8, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A84.8?
A84.8 is linked to 1 UMLS Concept Unique Identifier: C0311384. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A84.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other tick-borne viral 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 A84.8?
A84.8 maps to the ICD-11 code: 1C8Z (Viral infections of the central nervous system, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.