B34.8 Other viral infections of unspecified site

The ICD-10-CM code for Other viral infections of unspecified site is B34.8 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

1: Certain infectious and parasitic diseases (A00-B99)

Section

B25-B34: Other viral diseases (B25-B34)

Category B34

8 codes (7 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to B34.8:

• Rhinovirus infection NEC
• Infection, infected, infective (opportunistic) › parainfluenza virus
• Virus, viral › specified NEC
• Infection, infected, infective (opportunistic) › rhinovirus › unspecified nature or site
• Infection, infected, infective (opportunistic) › virus, viral NOS › specified type NEC › unspecified nature or site
• Infection, infected, infective (opportunistic) › virus, viral NOS › rhinovirus › unspecified nature or site

U.S. Hospital Utilization

• An estimated 69,405 U.S. inpatient stays in 2023 included B34.8 among the documented diagnoses.
• 5,865 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference B34.8 with the canonical source and edition:

B34.8 — Other viral infections of unspecified site. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/B34.8

Canonical URL: https://icd10codingpro.com/codes/B34.8