________ is a safeguard that someone will be able to act on the patient's behalf if he or she becomes physically or mentally incapacitated.

E/M code(s) for billing an office visit range from 1 to ____________________

Fill in the blank(s) with correct word

Which of the following procedures would be performed to treat a patient diagnosed with Parkinson’s disease?

a. spinal infusion b. insertion of neurostimulator