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.
Separation of powers: 1  increases the number of *independent* people that have to agree to an action to make it stand, 2  reduces the likelyhood of systemic conflicts of interest, and.  promotes more even application of the laws across individual cases, which strengthens rule-of-law.