The International Drug Price Indicator Guide contains a spectrum of prices from pharmaceutical suppliers, international development organizations, and government agencies. The Guide aims to make price information more widely available in order to improve procurement of medicines of assured quality for the lowest possible price. Comparative price information is important for getting the best price, and this is an essential reference for anyone involved in the procurement of pharmaceuticals. Management Sciences for Health (MSH) has published the International Drug Price Indicator Guide since 1986 and updates it annually.