A92.5 Zika virus disease
The ICD-10-CM code for Zika virus disease is A92.5 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- A90-A99: Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)
- Category A92
- 13 codes (11 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to A92.5:
- Zika NOS
- Disease, diseased › Zika virus
- Infection, infected, infective (opportunistic) › Zika virus
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › Zika virus
Inclusion Terms
- Zika virus fever
- Zika virus infection
- Zika NOS
U.S. Hospital Utilization
- An estimated 125 U.S. inpatient stays in 2019 included A92.5 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
Zika—code only confirmed cases; suspected/possible/probable not codedf. Zika virus infections 1) Code only confirmed cases Code only a confirmed diagnosis of Zika virus (A92.5, Zika virus disease) as documented by the provider. This is an exception to the hospital inpatient guideline Section II, H. In this context, “confirmation” does not require documentation of the type of test performed; the provider’s diagnostic statement that the condition is confirmed is sufficient. This code should be assigned regardless of the stated mode of transmission. If the provider documents "suspected", "possible" or "probable" Zika, do not assign code A92.5. Assign a code(s) explaining the reason for encounter (such as fever, rash, or joint pain) or Z20.821, Contact with and (suspected) exposure to Zika virus.
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026