B34.1 – Enterovirus infection, unspecified
ICD-10-CM 2027 diagnosis code · Other viral diseases
ICD-10-CM code
B34.1
- Code
B34.1(claims format:B341)- Description
- Enterovirus infection, unspecified
- 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
- B25-B34 Other viral diseases
- Parent codes
- B34
Notes for B34.1
Applicable to:
- Coxsackievirus infection NOS
- Echovirus infection NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
B34 – Viral infection of unspecified site
Excludes1 (not coded here):
Index terms for B34.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Coxsackie
- Disease, diseased, coxsackie
- Disease, diseased, echovirus NEC
- Infection, infected, infective, enterovirus
- Disease, diseased, enteroviral, enterovirus NEC
- Disease, diseased, nonarthropod-borne NOS, enterovirus NEC
- Infection, infected, infective, virus, viral NOS, coxsackie
- Infection, infected, infective, echovirus, unspecified nature or site
- Infection, infected, infective, virus, viral NOS, ECHO, unspecified nature or site
Related codes in B34
- B34.0 – Adenovirus infection, unspecifiedBillable
- B34.2 – Coronavirus infection, unspecifiedBillable
- B34.3 – Parvovirus infection, unspecifiedBillable
- B34.4 – Papovavirus infection, unspecifiedBillable
- B34.8 – Other viral infections of unspecified siteBillable
- B34.9 – Viral infection, unspecifiedBillable
Frequently asked questions
What is ICD-10 code B34.1?
B34.1 is the ICD-10-CM code for enterovirus infection, unspecified, in the block B25-B34 (Other viral diseases).
Is B34.1 a billable code?
Yes. B34.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B34.1 belong to?
It belongs to category B34 – Viral infection of unspecified site.
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.