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How CVS protects its Medicare drug records

Outside a CVS pharmacy store.
CVS runs a large pharmacy benefit manager. Photo: Justin Sullivan / Getty Images

A document from CVS Caremark shines another small ray of light on how pharmacy benefit managers work within the prescription drug chain.

The big picture: The language is pretty standard and not controversial on its own, according to several lawyers who reviewed the document. But it reinforces the lack of transparency that exists even in taxpayer-subsidized drug programs like Medicare Part D.