A84
Non-billableTick-borne viral encephalitis
Tick-borne viral encephalitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
A80-A89
Child Codes
4
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)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- ENCEPH TICK BORNEC0014061
- Encephalitis due to tick-borne encephalitis virus (navigational concept)C0014061
- Encephalitis, Tick BorneC0014061
- Encephalitis, Tick-BorneC0014061
- TICK BORNE ENCEPHC0014061
- Tick Borne EncephalitisC0014061
- Tick-Borne EncephalitisC0014061
- Tick-Borne Viral EncephalitisC0014061
- Tick-borne encephalitisC0014061
- Tick-borne viral encephalitisC0014061
- Tick-borne viral encephalitis, unspecifiedC0014061
- Viral encephalitis transmitted by tickC0014061
- Viral encephalitis transmitted by tick (navigational concept)C0014061
- tick borne encephalitisC0014061
- tick-borne encephalitisC0014061
- tick-borne viral meningoencephalitisC4290049
Frequently Asked Questions
What is ICD-10 code A84?
ICD-10-CM code A84 represents "Tick-borne viral encephalitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is A84 a billable code?
No, A84 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under A84.
What chapter is A84 in?
A84 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A84?
A84 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?
A84 has 4 child codes, including: A84.0 (Far Eastern tick-borne encephalitis), A84.1 (Central European tick-borne encephalitis), A84.8 (Other tick-borne viral encephalitis), A84.9 (Tick-borne viral encephalitis, unspecified).
Are additional codes required with A84?
Yes, when using A84 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A84?
A84 is linked to 2 UMLS Concept Unique Identifiers: C0014061, C4290049. 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.