What Is the Cause of High Serum Glucose Levels on a Blood Test?
The Facts EndocrineWeb notes methods for testing blood glucose that include the fasting blood glucose test—which measures glucose levels after 10 to 16 hours without food or drink—and the oral glucose tolerance test, which follows a fasting glucose procedure with a measured response to the ingestion of a high-sugar liquid. Causes The U.S. National Library cites potential causes of high test readings that include diabetes, pre-diabetes, overactive thyroid (hyperthyroidism), pancreatitis (pancreas infection or inflammation), pancreatic cancer and a rare adrenal tumor called pheochromocytoma. Stress-Related Elevation A number of conditions can temporarily elevate blood glucose readings through significant body stress, notes the U.S. National Library of Medicine. These include surgery, physical injury, heart attacks and strokes. Medications The U.S. National Library of medicine also notes a number of medications that can elevate blood glucose readings. These include diuretics, corticos
