A91 – Dengue hemorrhagic fever
ICD-10-CM 2027 diagnosis code · Arthropod-borne viral fevers and viral hemorrhagic fevers
ICD-10-CM code
A91
- Code
A91(claims format:A91)- Description
- Dengue hemorrhagic 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
Index terms for A91
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Dengue, hemorrhagic
- Bangkok hemorrhagic fever
- Thailand hemorrhagic fever
- Fever, hemorrhagic, dengue
- Fever, dengue, hemorrhagic
- Fever, Bangkok hemorrhagic
- Fever, hemorrhagic, Bangkok
- Fever, Thailand hemorrhagic
- Singapore hemorrhagic fever
- Fever, hemorrhagic, Thailand
- Fever, Singapore hemorrhagic
- Fever, hemorrhagic, Singapore
- Fever, Philippine hemorrhagic
- Fever, hemorrhagic, Philippine
- Fever, Southeast Asia hemorrhagic
- Southeast Asian hemorrhagic fever
- Fever, hemorrhagic, Southeast Asia
Frequently asked questions
What is ICD-10 code A91?
A91 is the ICD-10-CM code for dengue hemorrhagic fever, in the block A90-A99 (Arthropod-borne viral fevers and viral hemorrhagic fevers).
Is A91 a billable code?
Yes. A91 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
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.