MedicalSign

MedicalSign is a MedicalSignOrSymptom subtype for findings a clinician observes (vs symptoms the patient reports). Properties: identifyingTest (MedicalTest) and identifyingExam (PhysicalExam).

Full example of schema.org/MedicalSign json-ld markup

The markup is verified as valid with Rich Results Test from Google.

schema.org/MedicalSign

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "MedicalSign",
  "name": "Hepatomegaly",
  "identifyingExam": { "@type": "PhysicalExam", "name": "Abdominal palpation" },
  "identifyingTest": { "@type": "ImagingTest", "imagingTechnique": "https://schema.org/Ultrasound" }
}
</script>

Minimal valid version

The smallest markup that still produces a valid MedicalSign entity. Use it as the floor. Reach for the advanced example above when you want search engines and AI agents to understand more about your content.

schema.org/MedicalSign (minimal)

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "MedicalSign",
  "name": "Hepatomegaly"
}
</script>

Google rich results this unlocks

MedicalSign is a structural type. It does not produce a rich result on its own.

Its value comes from combining it with a primary type whose markup earns a rich result (Article, Product, Event, and so on). MedicalSign becomes the trunk that the primary type branches off viamainEntityorbreadcrumb. Include it on every page as the backbone of your markup.

Common MedicalSign mistakes

Mistakes that pass validation but silently fail to earn rich results or mislead consumers walking the graph. Avoid these and your markup will be ahead of most sites in the wild.

01
MedicalSign for a patient-reported symptom
Wrong
```
MedicalSign for "nausea"
```
Right
```
MedicalSymptom for patient-reported; MedicalSign for clinician-observable
```
Sign vs symptom is a foundational clinical distinction — observable vs reported.

Schema properties in this example

MedicalSign MedicalSignOrSymptom MedicalEntity name identifyingExam PhysicalExam identifyingTest ImagingTest imagingTechnique Ultrasound

Also mentioned in 4 other examples

MedicalSign also appears in DDxElement, MedicalSignOrSymptom, MedicalTest, and VitalSign. See the full MedicalSign schema page for every reference.

About the example data

Hepatomegaly — the liver enlargement Jane Xoo documented during Dunmore's paediatric TB workups.

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