This test measures blood glucose regardless of last meal. Several random measurements may be taken throughout the day. Random testing is useful because glucose levels in healthy people do not vary widely throughout the day. Blood glucose levels that vary widely are indicative of problems like diabetes.
This test is often performed to determine the underlying cause of abnormal thyroid hormone levels. It’s also used to screen for an underactive or overactive thyroid gland. It is ordered in cases of hypo- or hyper-thyroidism, hashimoto’s disease, grave’s disease or autoimmune thyroid condition.