Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)
chapter 1: Certain Infectious and Parasitic Diseases
Advertisements
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding infections and parasitic diseases, including HIV, organism and drug resistance codes, sepsis and septic shock, MRSA, Zika, and COVID-19.
- Human Immunodeficiency Virus (HIV) Infections (page 19)
- Infectious agents as the cause of diseases classified to other chapters (page 22)
- Infections resistant to antibiotics (page 22)
- Sepsis, Severe Sepsis, and Septic Shock (page 23)
- Methicillin Resistant Staphylococcus aureus (MRSA) Conditions (page 27)
- Zika virus infections (page 28)
- Coronavirus infections (page 28)
All codes under A90-A99
A90-A99 can't be used on a claim. Pick a billable code below; grey headings group them.
- A90Dengue fever [classical dengue]
- A91Dengue hemorrhagic fever
- A92Other mosquito-borne viral fevers
- A92.0Chikungunya virus disease
- A92.1O'nyong-nyong fever
- A92.2Venezuelan equine fever
- A92.3West Nile virus infection
- A92.30West Nile virus infection, unspecified
- A92.31West Nile virus infection with encephalitis
- A92.32West Nile virus infection with other neurologic manifestation
- A92.39West Nile virus infection with other complications
- A92.4Rift Valley fever
- A92.5Zika virus disease
- A92.8Other specified mosquito-borne viral fevers
- A92.9Mosquito-borne viral fever, unspecified
- A93Other arthropod-borne viral fevers, not elsewhere classified
- A93.0Oropouche virus disease
- A93.1Sandfly fever
- A93.2Colorado tick fever
- A93.8Other specified arthropod-borne viral fevers
- A94Unspecified arthropod-borne viral fever
- A95Yellow fever
- A95.0Sylvatic yellow fever
- A95.1Urban yellow fever
- A95.9Yellow fever, unspecified
- A96Arenaviral hemorrhagic fever
- A96.0Junin hemorrhagic fever
- A96.1Machupo hemorrhagic fever
- A96.2Lassa fever
- A96.8Other arenaviral hemorrhagic fevers
- A96.9Arenaviral hemorrhagic fever, unspecified
- A98Other viral hemorrhagic fevers, not elsewhere classified
- A98.0Crimean-Congo hemorrhagic fever
- A98.1Omsk hemorrhagic fever
- A98.2Kyasanur Forest disease
- A98.3Marburg virus disease
- A98.4Ebola virus disease
- A98.5Hemorrhagic fever with renal syndrome
- A98.8Other specified viral hemorrhagic fevers
- A99Unspecified viral hemorrhagic fever
A90-A99 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Dengue
Dengue is a viral infection. It can be caused by four related viruses. You can get it if an infected mosquito bites you. It is common in warm, wet areas of the world. Although rare, it can be found in some parts of the United States. Outbreaks are more common during rainy seasons.
Read more about dengue on MedlinePlus