Final answer:
The correct CPT code for a returning patient receiving an EKG, CT Angio Chest w/ contrast, IV, and Cardiac panel largely depends on the extent of the services provided. Generally, for moderate complexity visits, 99214 might be used, but the final determination requires specific information on history, examination, and complexity of medical decision making.
Step-by-step explanation:
The question asks which code should be used for a returning patient who receives specific medical services. The correct code is related to the medical billing process and is a part of the Current Procedural Terminology (CPT) codes that are used in the healthcare industry to describe medical, surgical, and diagnostic services. The codes mentioned are for office or other outpatient visits for the evaluation and management of an established patient. When choosing the correct code, it depends on the complexity and time spent on the service provided. Without additional detail on the extent of history, examination, and medical decision-making, a precise CPT code cannot be chosen. However, generally, code 99214 is used for an office or other outpatient visit that requires at least two of these three key components: a detailed history; a detailed examination; and medical decision-making of moderate complexity.