A88.0 – Enteroviral exanthematous fever [Boston exanthem]

ICD-10-CM 2027 diagnosis code · Viral and prion infections of the central nervous system

Billable code

ICD-10-CM code A88.0

Code: A88.0 (claims format: A880)
Description: Enteroviral exanthematous fever [Boston exanthem]
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A80-A89 Viral and prion infections of the central nervous system
Parent codes: A88

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A88 – Other viral infections of central nervous system, not elsewhere classified

Excludes1 (not coded here):

viral encephalitis NOS (A86)
viral meningitis NOS (A87.9)

Block A80-A89

Excludes1 (not coded here):

postpolio syndrome (G14)
sequelae of poliomyelitis (B91)
sequelae of viral encephalitis (B94.1)

Index terms for A88.0

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A88

A88.1 – Epidemic vertigoBillable
A88.8 – Other specified viral infections of central nervous systemBillable

Frequently asked questions

What is ICD-10 code A88.0?

A88.0 is the ICD-10-CM code for enteroviral exanthematous fever [Boston exanthem], in the block A80-A89 (Viral and prion infections of the central nervous system).

Is A88.0 a billable code?

Yes. A88.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A88.0 belong to?

It belongs to category A88 – Other viral infections of central nervous system, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.