Which statement best describes Local Coverage Determinations (LCDs) and their relation to MACs?

• A. LCDs are nationwide guidelines issued by CMS.
• B. LCDs are privacy standards for patient data.
• C. LCDs are coverage determinations made at the local level by a MAC to guide local practice.
• D. LCDs are used to set drug formularies.

Answer: (C)

Local Coverage Determinations are decisions about whether Medicare will cover a specific medical service for patients in a particular geographic area. They’re produced by a Medicare Administrative Contractor and are meant to guide how that locality puts CMS policy into practice, including when a service is covered, in which patient situations, and what documentation is needed. They work within the broader CMS framework but tailor coverage to local practice and evidence. That’s why this statement best fits: it correctly identifies who makes them (a MAC), what they decide (coverage), and the level at which they apply (local).

The other ideas don’t fit because LCDs aren’t nationwide CMS guidelines, they aren’t privacy standards for patient data, and they aren’t used to set drug formularies.