1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A90-A99 Arthropod-borne viral fevers and viral hemorrhagic fevers
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4. A90- Dengue fever [classical dengue]
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5. 2021 ICD-10-CM Diagnosis Code A90

2021 ICD-10-CM Diagnosis Code A90

Dengue fever [classical dengue]

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• A90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM A90 became effective on October 1, 2020.
• This is the American ICD-10-CM version of A90 - other international versions of ICD-10 A90 may differ.

• Dengue
• Dengue fever

• Acute infectious, eruptive, febrile disease caused by four antigenically related but distinct serotypes of the dengue virus; transmitted by the bite of infected aedes mosquitoes, especially a. Aegypti; classical dengue (dengue fever) is self-limiting and characterized by fever, myalgia, headache, and rash; dengue hemorrhagic fever is a more virulent form of dengue virus infection.
• An acute febrile disease transmitted by the bite of aedes mosquitoes infected with dengue virus. It is self-limiting and characterized by fever, myalgia, headache, and rash. Dengue hemorrhagic fever is a more virulent form of dengue.
• An acute infection caused by dengue virus. Signs and symptoms include sudden onset of fever, headache, rash, arthralgia, and myalgia. It is transmitted through mosquitoes.
• An acute, infectious tropical disease caused by an arbovirus transmitted by mosquitoes
• Dengue is an infectious disease caused by a virus. You can get it if an infected mosquito bites you. It is common in warm, wet areas of the world. Outbreaks occur in the rainy season. Dengue is rare in the United States. Symptoms include a high fever, headaches, joint and muscle pain, vomiting and a rash. Most people with dengue recover within 2 weeks. Until then, drinking lots of fluids, resting and taking non-aspirin fever-reducing medicines might help. Sometimes dengue turns into dengue hemorrhagic fever, which causes bleeding from your nose, gums or under your skin. It can also become dengue shock syndrome, which causes massive bleeding and shock. These forms of dengue are life-threatening.to lower your risk when traveling in dengue-prone countries
  • wear insect repellent with deet
  • wear clothes that cover your arms, legs and feet
  • close unscreened doors and windows

• 865 Viral illness with mcc
• 866 Viral illness without mcc

Convert A90 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change

• Dengue (classical) (fever) A90
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
  ICD-10-CM Diagnosis Code R50.9

  Fever, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Fever NOS
  • Fever of unknown origin [FUO]
  • Fever with chills
  • Fever with rigors
  • Hyperpyrexia NOS
  • Persistent fever
  • Pyrexia NOS
  • dengue (virus) A90
  • seven day (leptospirosis) (autumnal) (Japanese) A27.89
    ICD-10-CM Diagnosis Code A27.89

    Other forms of leptospirosis

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • dengue A90
  • Aden A90 (dengue)
  • breakbone A90
  • dandy A90
  • solar A90
  • sun A90

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.