Diabetic Supplies are covered by Medicaid in some states but there are 7 states that Medicaid doesn't cover the cost of diabetic supplies.
So you'll need to check with Medicaid Directly to see if they'll pay for Medicaid Supplies in your state.
If your state is covered under the Medicaid then Medicaid will pay for the diabetic supplies whether you need Insulin or not.
The things that Medicaid will pay for are glucose testing monitors, blood glucose test strips, lancet devices and lancets, and glucose control solutions.