1) Most commonly, preauthorization and precertification refer to the process by which a patient is pre-approved for coverage of a specific medical procedure or prescription drug.
No Call of Duty Modern Warfare 4 game exists. There is, however, a Call of Duty 4: Modern Warfare and a Call of Duty: Modern Warfare 2. There are currently no plans by the Calâ¦l of Duty publisher, Activision and its developers, Treyarch & Infinity Ward to make a Call of Duty: Modern Warfare 4. As of now the next scheduled release of Call of Duty is Modern Warfare 3, which will be slated for a November 2011 release.
â Level description.  Black Tuesday  is the second mission of Call of Duty: Modern Warfare 3. The player takes control of Derek Frost Westbrook, a Delta Force operator in New York. The objective of the mission is to destroy a Russian radio/microwave jammer placed on the Stock Exchange.