A88.0 ICD-10-CA code: Enteroviral exanthematous fever [Boston exanthem]
A88.0 is the ICD-10-CA code for “Enteroviral exanthematous fever [Boston exanthem]” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
A88.0Enteroviral exanthematous fever [Boston exanthem]
Short description: Enteroviral exanthematous fever
ICD-10-CA · Canada · Also written A880
Index terms
Entries in CIHI’s alphabetical index that lead to A88.0. Searching the index by the condition the note names is how coders reach this code.
- Boston exanthem
- Exanthem, exanthema, Boston
- Fever, enteroviral exanthematous (Boston exanthem)
Notes for A88.0
As CIHI prints them, with any note A88.0 takes from the headings above it.
Includes
- Diseases generally recognized as communicable or transmissibleFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Use additional code
Add a code for this detail when the note documents it.
- Use additional code (U82-U84) to identify resistance to antimicrobial drugsFrom Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Excludes
Conditions classified elsewhere.
- Viral:• encephalitis NOS (A86)• meningitis NOS (A87.9)From A88 Other viral infections of central nervous system, not elsewhere classified
- Sequelae of:• poliomyelitis (B91)• viral encephalitis (B94.1)From A80-A89 Viral infections of the central nervous system
- Carrier or suspected carrier of infectious disease (Z22.-)certain localized infections - see body system-related chaptersinfectious and parasitic diseases:• complicating pregnancy, childbirth and the puerperium [except obstetrical tetanus] (O98.-)• specific to the perinatal period [except tetanus neonatorum, whooping cough, congenital syphilis, perinatal gonococcal infection and perinatal human immunodeficiency virus [HIV] disease] (P35-P39)influenza and other acute respiratory infections (J00-J22)From Chapter 1: Certain infectious and parasitic diseases (A00-B99)
Where A88.0 sits
- 1ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
- 2Block A80-A89Viral infections of the central nervous system
- 3Category A88Other viral infections of central nervous system, not elsewhere classified
- 4Valid code A88.0Enteroviral exanthematous fever [Boston exanthem]
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code A88.0 mean?
A88.0 is the ICD-10-CA code for “Enteroviral exanthematous fever [Boston exanthem]” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is A88.0 in ICD-10-CA?
A88.0 sits under A88 Other viral infections of central nervous system, not elsewhere classified, within A80-A89 Viral infections of the central nervous system, within Chapter 1: Certain infectious and parasitic diseases (A00-B99).
What coding notes apply to A88.0?
ICD-10-CA lists Excludes, Includes, Use additional code notes for A88.0, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.