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.
Shingles are made of various materials such as wood, slate, flagstone, fibre cement, metal, plastic, and composite material such as asphalt shingles. Ceramic roof tiles, which still dominate in Europe and some parts of Asia, are still usually called tiles.hingle is a corruption of German schindle (schindel) meaning a roofing slate. Shingles historically were called tiles and shingle was a term applied to wood shingles, as is still mostly the case outside the US. Shingles are laid in courses usually with each shingle offset from its neighbors.