Insurance primer
“Coverable” is not the same as “covered”
“Coverable” means a plan is allowed to pay. “Covered” means your plan has agreed to pay. The drug, the reason it was prescribed and your exact plan can all change the answer.
MEDICARE
The reason for use matters
Medicare Part D, the drug benefit inside Medicare, was not required to pay for a weight-loss medicine as of September 2026. It could pay for the same medicine when prescribed for another accepted medical reason, such as type 2 diabetes. A plan could still apply its own drug list and prior-approval rules.
A formulary is the plan’s covered-drug list. Prior approval means the plan asks for more information before agreeing to pay.
SAVINGS CARDS
A card and a cash price are not the same
As of September 2026, the drug companies’ savings cards for GLP-1 weight and diabetes medicines, such as semaglutide and tirzepatide, required private insurance from a job or bought yourself, and excluded Medicare, Medicaid and military coverage.
That exclusion applies to the copay card. A separate self-pay offer can have different terms.
CALL SCRIPT
Ask the plan for an answer tied to your case
“Is this exact drug covered for the diagnosis on my prescription? Is prior approval required? Which pharmacy must fill it? What would I owe?”
Write down the date, the plan representative’s name and any reference number they give you.
Return to the cost worksheetPut the plan answer beside the cash total