This compression causes numbness and/or tingling pain in your elbow, hand, wrist, or. fingers. This is commonly caused by leaning on your elbow for long periods of time or swelling caused by friction of. your ulnar nerve rubbing along structures of the cubital tunnel.
1 A fasting blood sugar level less than 100 mg/dL (5.6 mmol/L) is normal. 2  A fasting blood sugar level from 100 to 125 mg/dL (5.6 to 6.9 mmol/L) is considered prediabetes. 3  If it's 126 mg/dL (7 mmol/L) or higher on two separate tests, you have diabetes. 4  Oral glucose tolerance test.
Serum Glucose Testing. Serum glucose is a measurement of the amount of glucose, blood sugar, in the liquid portion of blood. Because diabetes is associated with consistently elevated levels of glucose in the blood, called hyperglycemia, this simple test is one of the most common tests for diabetes.Serum glucose testing is used as a part of diagnosing diabetes. However, it is also used frequently during the management of diabetes.herefore, serum glucose testing measures the amount of glucose disolved in the water of blood. The result is a measure of the concentration of glucose in this water.