Final answer:
The lowest level code for a problem-focused new-patient visit is not code 99211, it is actually code 99201.
Step-by-step explanation:
In medical coding, there are evaluation and management (E&M) codes used to bill for office visits. The lowest level code for an office visit when charging for a problem-focused new-patient visit is code 99201. This code represents a straightforward visit that requires a limited amount of medical decision-making. It is important to note that code 99211 is actually used for a nurse visit or a minimal service performed by a qualified healthcare professional, and not for a problem-focused new-patient visit.