AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2016 Issue 4; ICD-10-CM NEW/REVISED CODES
Zika Virus
Code A92.5, Zika virus disease, has been created to uniquely identify Zika virus fever, Zika virus infection and Zika NOS. Zika virus disease is spread to people primarily through the bite of an infected mosquito. The most common symptoms are fever, rash, joint pain, and conjunctivitis. Other common symptoms include muscle pain and headache. The incubation period (the time from exposure to symptoms) for Zika virus disease is not known, but is likely to be a few days to a week. The illness is usually mild, with symptoms lasting for several days to a week after being bitten...
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Article Overview
This article explains how a Zika virus topic is handled in ICD-10-CM coding across confirmed infection, history of infection, pregnancy-related monitoring, newborn conditions associated with maternal infection, exposure scenarios, and encounters where infection is ruled out. It is intended for coding professionals, clinicians, and compliance staff who need to understand the scope of guidance and the categories of diagnosis and encounter coding involved. The article also references public health context and major organizations associated with Zika guidance.
Why This Topic Matters
Zika-related encounters can involve multiple clinical settings and documentation patterns, especially in pregnancy and newborn care. Accurate topic recognition helps coders and reviewers distinguish confirmed disease from exposure, screening, history, and ruled-out situations.
Article Sections
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Overview of Zika virus disease and public health context
Introduces the disease, general transmission, symptoms, and broader public health context. Also notes why the topic gained clinical and reporting attention.
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Confirmed diagnosis and history of infection
Covers documentation scenarios involving confirmed infection and prior history. It also addresses when a diagnosis is considered established versus unconfirmed.
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Pregnancy-related encounters and fetal monitoring
Discusses prenatal visits, screening, fetal assessment, and pregnancy complications associated with maternal infection. Includes examples spanning different gestational stages.
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Exposure, testing, and ruled-out encounters
Addresses encounters driven by risk, suspected exposure, testing, and negative results. It also includes general observation or concern-based visit scenarios.
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Newborn encounters associated with maternal Zika infection
Describes coding considerations for infants born with findings associated with maternal infection. Focuses on newborn presentation and related diagnostic context.
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Asymptomatic nonpregnant persons and observation/testing scenarios
Covers nonpregnant individuals presenting without symptoms for observation, testing, or concern about exposure. Includes general scenarios where symptoms or fear of diagnosis drive the encounter.
What You Will Learn
- How the article frames Zika virus within ICD-10-CM coding guidance
- Which encounter categories are discussed for pregnancy, newborn, exposure, and testing scenarios
- What broad types of documentation situations are covered for confirmed, suspected, and ruled-out cases
- How the article connects Zika-related encounters with maternal and neonatal care contexts
Who Should Read This
- Medical coders
- Clinical documentation staff
- Compliance professionals
- Obstetric and neonatal coding teams
- Health information management professionals
Codes Discussed
Code Ranges Discussed
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