SimplyThick EasyMix is a food. Typically medical insurance does not cover food items.
We are aware of cases once in a while where an insurance carrier has covered thickener, but these are rare events.
Medicaid does cover the purchase of SimplyThick EasyMix in several states (click here for a list of those states). The policies and rules vary in each state. If you are covered, typically you will need to work with a pharmacy or a durable medical equipment (DME) supplier to handle the purchase and claim.
If your insurance carrier asks for a code, thickener falls under reimbursement code B4100. If you have Molina Insurance Company, use code B999B0.