Aristolochia serpentaria (Virginia snakeroot), Aristolochia reticulata (Texas snakeroot) and in Chinese herbs such as Aristolochia fangchi and Aristolochia mandshurensis (banned in China and withdrawn from Chinese Pharmacopoea 2005; Stephania tetrandra and Magnolia officinalis do not contain aristolochic acid).
age-based rationing. Age-Based Rationing. A proposed form of rationing publicly-funded health care services, in which limits would be placed on the type and amount of such services that would be freely available to persons above a certain age.
The rate must not vary by more than 3:1 for like individuals of different age who are 21 years and older. b. The variation in rate must be actuarially justified for individuals under age 21, consistent with a uniform. age rating curve. A state may use a narrower ratio with approval from CMS.