What are the two qualities that a medicine must possess

What is the code and any required modifier(s) for dipstick urinalysis, non-automated, without microscopy performed in a physician office for a medicare patient?

Which of the following is a nonspecific defense against pathogens? - b cells - antibodies - t-cells - inflammation

When data collected on the performance of a healthcare facility suggests that quality standards have not been met, what is one method that can be used to correct the problem?