The LabFlow app-permissions page documents each device permission the mobile app requests — such as the camera for barcode scanning and notifications for critical results — what it is used for, and the fallback if you decline it.
Every device permission the LabFlow mobile app requests on Android and iOS, exactly what each one is used for, and what still works if you decline it.
Open the full LabFlow page in a JavaScript-enabled browser to see the interactive version.