A84.89 ICD-10-CM Code: Other tick-borne viral encephalitis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A84.89Other tick-borne viral encephalitis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A84.89 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Viral and prion infections of the central nervous system (A80-A89)
- 3
Category A84
Tick-borne viral encephalitis
- 4
Subcategory A84.8
Other tick-borne viral encephalitis
- 5
Code A84.89
Other tick-borne viral encephalitis
Documentation details
Notes for this code
Inclusion terms
- Louping ill
Code first
- , if applicable, transfusion related infection (T80.22-)
Use additional code
No “use additional code” instruction is listed for A84.89.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A84.89.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A84.89.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code A84.89 mean?
A84.89 is the FY 2027 U.S. ICD-10-CM code for “Other tick-borne viral encephalitis.”
Is A84.89 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, A84.89 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is A84.89 located in ICD-10-CM?
A84.89 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Viral and prion infections of the central nervous system (A80-A89) (A80–A89), under category A84, Tick-borne viral encephalitis and subcategory A84.8, Other tick-borne viral encephalitis.
What coding notes are listed for A84.89?
Its listed inclusion terms are Louping ill. Code-first instructions: , if applicable, transfusion related infection (T80.22-). No Excludes1 note is listed. No Excludes2 note is listed.
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Related A84.8 codes
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