A92.1 – O'nyong-nyong fever
ICD-10-CM 2027 diagnosis code · Arthropod-borne viral fevers and viral hemorrhagic fevers
ICD-10-CM code
A92.1
- Code
A92.1(claims format:A921)- Description
- O'nyong-nyong fever
- 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
- A90-A99 Arthropod-borne viral fevers and viral hemorrhagic fevers
- Parent codes
- A92
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A92 – Other mosquito-borne viral fevers
Excludes1 (not coded here):
- Ross River disease (B33.1)
Index terms for A92.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A92
- A92.0 – Chikungunya virus diseaseBillable
- A92.2 – Venezuelan equine feverBillable
- A92.3 – West Nile virus infectionHeader
- A92.4 – Rift Valley feverBillable
- A92.5 – Zika virus diseaseBillable
- A92.8 – Other specified mosquito-borne viral feversBillable
- A92.9 – Mosquito-borne viral fever, unspecifiedBillable
Frequently asked questions
What is ICD-10 code A92.1?
A92.1 is the ICD-10-CM code for o'nyong-nyong fever, in the block A90-A99 (Arthropod-borne viral fevers and viral hemorrhagic fevers).
Is A92.1 a billable code?
Yes. A92.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A92.1 belong to?
It belongs to category A92 – Other mosquito-borne viral fevers.
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.