Under which of the following concepts are the supervisors and directors of laboratories held liable for the negligent actions of their employees?

________ Headaches account for fewer than a million visits to a physician per year, even though they are a common disorder

Indicate whether the statement is true or false

Hospitals bill insurance companies by using a form called the:

A) CMS-1500 claim form. B) RBRVS. C) UB-04 claim form. D) All of the above E) None of the above