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 separation of powers. The separation of powers is an important component of most modern democratic politic systems. In simple terms, the separation of powers requires that government be divided into three branches: the executive, the legislative and the judicial. Each of these branches must operate separately and no member of one branch should also be a member of the other.