Medicare Rules Set Off a Battle on Drug Choices
New Medicare law touches off huge battle between insurance companies and drug companies that could determine how many medicines will be readily available to Medicare beneficiaries; under law, private health plans will develop list of drugs approved for reimbursement to Medicare recipients; in general, insurers and drug benefit managers want to limit number of drugs, and types of drugs, on their lists, while drug companies want as many drugs as possible on each private health plan's list; Bush administration has retained private nonprofit organization, United States Pharmacopeia, to develop list of types of drugs that should be covered; guidelines, which serve as model for private plans providing new drug benefit, list 146 distinct categories and classes of drugs; under new law and administration rules, private plans must cover at least two drugs in each category and class; drug lists drawn up by health plans could determine how many people sign up for drug benefits and how many private plans participate; drug companies and patients argue that patients should have access to full array of drugs for major diseases; Sen John Kerry has denounced law as giveaway to insurance and pharmaceutical companies (M)
