09188. MEDICARE'S DIAGNOSIS RELATED GROUPS (DRGS) AND PAYMENTS TO HOSPITALS. A comprehensive investigation exploring the economic, ethical and medical implications of the DRG system from a legal perspective. Following a general review of the rationale underlying the DRG system, considers the inherent problems in the system and the basis and precedents for litigation. Particular attention is devoted to the special vulnerability of and potential defenses for the elderly. 40p. 131f. 79b.