Final answer:
The correct answer is D. 99284. In this scenario, the patient presented to the emergency room with chest pain and was subsequently admitted by the same physician. The key elements in determining the correct code are the detailed history (detailed Hx), detailed examination (detailed exam), and moderate medical decision making (moderate MDM).
Step-by-step explanation:
The correct answer is D. 99284.
In this scenario, the patient presented to the emergency room with chest pain and was subsequently admitted by the same physician. The key elements in determining the correct code are the detailed history (detailed Hx), detailed examination (detailed exam), and moderate medical decision making (moderate MDM).
Code 99282 is a lower level code that is used for straightforward cases, while code 99284 represents a higher level of complexity seen in this case. Codes 99221 and 99222 are used for initial hospital visits and are not applicable in this scenario.