Final answer:
If a patient has a diagnosis of diabetes mellitus, they might have the glucose test performed. This test measures the blood glucose level to determine if it is higher than normal, indicating hyperglycemia, which is a characteristic of diabetes mellitus.
Step-by-step explanation:
If a patient has a diagnosis of diabetes mellitus, they might have the glucose test performed. This test measures the blood glucose level to determine if it is higher than normal, indicating hyperglycemia, which is a characteristic of diabetes mellitus. The glucose test can be done using various methods, including the glucose tolerance test (GTT) or fasting plasma glucose (FPG) test.