COVID-19 | Quest Diagnostics

Results | Quest Diagnostics

About our tests | Quest Diagnostics

Insurance | Quest Diagnostics

Lab Management Solutions & Services | Quest Diagnostics

Access family test results | Quest Diagnostics

Cancer | Quest Diagnostics

Diagnostic Insights for healthcare professionals | Quest Diagnostics

Testing for conditions | Quest Diagnostics

Lab Tests by Specialty | Quest Diagnostics

When specifying accessible names via `aria-labelledby`, ensure that the 
label elements exist.

## Explanation

Accessible names are required for many parts of a page, including form controls.
One way to accomplish this is to use `aria-labelledby` to specify the ID or IDs of 
other elements which contain a label. For example:

```html
<h2 id="dialog-labell">Important message!</h2>
<dialog aria-labelledby="dialog-label">
```

In this example, the `aria-labelledby` for the `<dialog>` points to an ID of `dialog-label`,
which doesn't exist. The heading it refers to instead has an ID of `dialog-labell`, presumably 
a typo.

## Why this matters

It isn't usually clear when an accessible name is broken, even during user testing.

This check helps to identify where an element clearly intended to have a label, but
that label is missing.

When a label is broken, it may be impossible for a user of assistive technologies
to understand what that element does.

missing-aria-labelled-by

June 2024

May 2024

Quest Diagnostics

Title / URL	Issues
COVID-19 \| Quest Diagnosticswww.questdiagnostics.com/our-company/covid-19	3
Results \| Quest Diagnosticswww.questdiagnostics.com/patients/test-results	3
About our tests \| Quest Diagnosticswww.questdiagnostics.com/healthcare-professionals/about-our-tests	3
Insurance \| Quest Diagnosticswww.questdiagnostics.com/patients/billing-insurance/insurance	3
Lab Management Solutions & Services \| Quest Diagnosticswww.questdiagnostics.com/laboratory-managers/lab-management	3
Access family test results \| Quest Diagnosticswww.questdiagnostics.com/patients/test-results/family-results	3
Cancer \| Quest Diagnosticswww.questdiagnostics.com/laboratory-managers/tests-by-specialty/cancer	3
Diagnostic Insights for healthcare professionals \| Quest Diagnosticswww.questdiagnostics.com/healthcare-professionals/diagnostic-insights	3
Testing for conditions \| Quest Diagnosticswww.questdiagnostics.com/patients/get-tested/conditions	3
Lab Tests by Specialty \| Quest Diagnosticswww.questdiagnostics.com/laboratory-managers/tests-by-specialty	3

Fix missing ARIA label IDs

Quest Diagnostics

Where this issue has occurred