Final answer:
A diagnosis-related group (DRG) is a system used by healthcare providers to group patients for billing purposes. An example of a DRG is hospitals being paid a fixed amount to care for patients with uncomplicated pneumonia.
Step-by-step explanation:
A diagnosis-related group (DRG) is a system used by healthcare providers to group patients with similar diagnoses and medical conditions together for billing purposes. It is a way to categorize patients based on their expected resource use and treatment costs. An example of a DRG is hospitals being paid a fixed amount, such as $4500, to care for patients with uncomplicated pneumonia (option d).