In BlueCross BlueShield of South Carolina's open formulary benefit design, once a drug is FDA approved, we will cover it. Dual eligibles have gotten used to the open formulary under Medicaid, but some of Medicare's formularies might be closed, and we don't know what those will be.
Shingle(noun) a piece of wood sawed or rived thin and small, with one end thinner than the other, -- used in covering buildings, especially roofs, the thick ends of one row overlapping the thin ends of the row below.
Wood shingle. A section view of a type of wood shingle. Wood shingles are thin, tapered pieces of wood primarily used to cover roofs and walls of buildings to protect them from the weather. Historically shingles were split from straight grained, knot free bolts of wood.