Intravascular [ultrasound] imaging of blood vessels. Note: real-time imaging of lumen of blood vessel(s) using sound waves. Code also any synchronous diagnostic or therapeutic procedures. Excludes: adjunct vascular system procedures, number of vessels treated (00.40-00.43) diagnostic procedures on blood vessels (38.21-38.29)
Video: Separation of Powers: Definition & Examples. Separation of powers is the distribution of political authority within a government. Learn more about how separation of power works in the United States, then check your understanding of this topic with a quiz.
The Constitution defined a number of the fundamental and enduring principles of U.S. government, particularly the concepts of Separation of Powers, checks and balances, and Federalism. Separation of powers refers to the division of power between the legislative, executive, and judicial branches of government.