ICD10BillableValid for clinical use

ICD-10 Code B34.1: Enterovirus infection, unspecified

B34.1 is a billable ICD-10 diagnosis code used to classify Enterovirus infection, unspecified in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).

When is it used?

  • May be used when a clinician documents enterovirus infection, unspecified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
1Certain infectious and parasitic diseases (A00-B99)
block
B25-B34Other viral diseases
category
B34Viral infection of unspecified site
currentB34

Official coding notes

Inclusion terms
  • Coxsackievirus infection NOS
  • Echovirus infection NOS

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Infectious Disease SpecialistGeneral Physician

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
B34.1

Common synonyms

Enterovirus infection, unspecifiedEnterovirus infection

Frequently asked questions

Code details

CodeB34.1
SystemICD10
Display nameEnterovirus infection, unspecified
ChapterCertain infectious and parasitic diseases (A00-B99)
BlockOther viral diseases

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Coxsackie(virus) (infection)Disease, diseasedDisease, diseasedDisease, diseasedDisease, diseasedInfection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)Infection, infected, infective(opportunistic)
See also
Infection, coxsackie

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code B34.1 for Enterovirus infection, unspecified | HealthAssure