You will need to show that the technology is medically necessary. Definitions of medically necessary vary but, typically you will need to show that the device or service is needed to prevent, diagnose, correct, cure, alleviate, or prevent the worsening of a medical or physical condition or malfunction. You will also need to show that use of the device is medically acceptable in the sense that it is generally accepted as an appropriate way to treat, prevent, diagnose, etc., the condition.
Many insurers require prior approval.
To find out about your carrier's procedures, call your benefits representative or the carrier. You may be able to argue that it will be cheaper to cover the equipment than some other covered services such as home nursing care. If a disability is acquired through a work-related accident or illness, Medical benefits, including the provision of assistive technology devices and services, may be available through workers compensation. Every employer must, by law, provide their employees with workers compensation coverage. Although some circumstances may exempt certain employers or classes of employees, most will usually provide some form of coverage to protect against liability for potential work-related illness or injury.