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Lock Icon - VA Network Required Commercial Medical References available through VA: Apps for VA Health Care Employed Professionals that display a lock icon require you to authenticate you are with the VA, by establishing a personal account while on the VA computer network. Register to get started with VisualDx. This app is not maintained by VA but is included in the national subscriptions purchased and sponsored by the Library Network Office. If you need help with this app, please contact the app's developer: VisualDx.

VisualDx is a reference tool for diagnostic clinical decision support. Searchable by symptoms, signs, and patient factors, VisualDx is a path to a customized differential diagnosis. The many images and graphics available speed comparison, recognitions and diagnosis. VisualDx is used to validate a diagnosis, access next steps for management and care, and for patient education.

VisualDx combines medical knowledge, standardized terminology, search, and medical images to deliver concise and accurate answers. Search by diagnosis, build a patient-specific differential, or look up drug-induced adverse reactions by medication – all at the point of care. VisualDx Mobile shows disease variation with images.

The national subscription now includes DermExpert which allows a clinician to take a photo of a skin condition and immediately analyze the patient’s skin lesion type to assist in making an accurate diagnosis at the point of care.


  • Quickly search by diagnosis for next steps on management and patient care.
  • Visually confirm a diagnosis by comparing medical images to your patient’s presentation.
  • Review diagnostic pearls and best tests at the point of care to aid with diagnosis.
  • Build a custom differential based on your patient’s signs, symptoms, and other key findings such as travel history.
  • View over 43,000 drug reactions.
  • Provide on-the-spot patient education with real medical images.
  • Access ICD-10 and SNOMED CT codes.
  • Perform VisualDx Quiz to test your knowledge of visual presentations of disease, and compete against colleagues via leaderboards.

Get Started with VisualDx

  1. From a computer on the VA Network, go to and click on Launch VisualDx in the upper right. Once inside the VisualDx app, click on VisualDx Mobile to register for a personal VisualDx user name and password to use on your mobile device.
    Screenshot of how to create your personal account

    You will receive an email from the VisualDx Team with instructions and your username and password.

    Screenshot of VisualDx email confirming personal account creation
  2. Download VisualDx for your iOS and Android devices.
    Screenshot of Download for your iOS and Android devices

    Launch the VisualDx app from your device and sign in using your VisualDx personal account username and password.

    Screenshot of VisualDx sign-in with your username and password

    Download the guide.

  3. Visit VisualDx's resources page to understand how VisualDx can assist you and your patients through virtual care and telemedicine.

  • VisualDx Home Screen
  • VisualDx Confirm Lesion Type Screen
  • VisualDx Body Location Screen
  • VisualDx Body Differential Diagnosis Screen
  • VisualDx Body Differential Diagnosis Screen
  • VisualDx Diagnosis Detail Screen

Download Materials

Application Feedback Form

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Health Resource Center Help Desk: 877-470-5947
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