Medicare coverage for the Omnipod insulin pump system is governed by Medicare Part B, which classifies insulin pumps as durable medical equipment (DME). Generally, Medicare will cover 80 percent of the Medicare-approved amount for the device after the patient meets their annual Part B deductible. The patient is typically responsible for the remaining 20 percent co-insurance, though secondary insurance or supplemental plans (like Medigap) may cover some or all of this remaining cost. It is crucial to note that coverage details can change and are subject to specific documentation requirements, such as a "certificate of medical necessity" from a physician confirming that the device is essential for the management of the patient's diabetes. Patients should always verify the specific coverage criteria with their individual Medicare plan or their DME provider to understand the exact anticipated costs and ensure that the necessary pre-authorizations are filed correctly to avoid unexpected financial billing.