A94 Unspecified arthropod-borne viral fever

The ICD-10-CM code for Unspecified arthropod-borne viral fever is A94 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

A90-A99: Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)

Category A94

1 code (1 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to A94:

• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › arbovirus, arboviral
• Disease, diseased › arthropod-borne NOS (viral)
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › hemorrhagic (arthropod-borne) NOS
• Infection, infected, infective (opportunistic) › arbovirus (arbor virus)
• Disease, diseased › viral, virus › arbovirus NOS
• Infection, infected, infective (opportunistic) › virus, viral NOS › arborvirus, arbovirus arthropod-borne
• Disease, diseased › viral, virus › arthropod-borne NOS
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › arbovirus, arboviral › hemorrhagic

Inclusion Terms

• Arboviral fever NOS
• Arbovirus infection NOS

U.S. Hospital Utilization

• An estimated 90 U.S. inpatient stays in 2023 included A94 among the documented diagnoses.

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 A94 with the canonical source and edition:

A94 — Unspecified arthropod-borne viral fever. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A94

Canonical URL: https://icd10codingpro.com/codes/A94