A88 ICD-10-CM Code: Other viral infections of central nervous system, not elsewhere classified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A88Other viral infections of central nervous system, not elsewhere classified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A88 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 A88
Other viral infections of central nervous system, not elsewhere classified
- 4
Code A88
Other viral infections of central nervous system, not elsewhere classified
More specific choices
Codes under A88
A88 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for A88.
Code first
No “code first” instruction is listed for A88.
Use additional code
No “use additional code” instruction is listed for A88.
Excludes1
Conditions that should not be reported together with this code.
- viral encephalitis NOS (A86)
- viral meningitis NOS (A87.9)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A88.
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 A88 mean?
A88 is the FY 2027 U.S. ICD-10-CM code for “Other viral infections of central nervous system, not elsewhere classified.”
Is A88 a billable or specific ICD-10-CM code?
No. A88 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is A88 located in ICD-10-CM?
A88 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 A88, Other viral infections of central nervous system, not elsewhere classified.
What coding notes are listed for A88?
No inclusion terms are listed for A88 in this reference record. No code-first instruction is listed. Excludes1 notes: viral encephalitis NOS (A86); viral meningitis NOS (A87.9). No Excludes2 note is listed.
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