CPT® Code 82950

A laboratory test known as the post glucose dose test is conducted to assess the level of glucose in the blood, which is a crucial simple sugar molecule that serves as a primary energy source for the body's cells. Glucose is commonly found in various foods and can also be produced from glycogen reserves stored in the liver and muscle tissues. The regulation of blood glucose levels is primarily managed by the pancreatic hormones insulin and glucagon, which work in tandem to maintain homeostasis. This specific test is particularly important during pregnancy, typically performed between 24 and 28 weeks of gestation, as hormonal changes induced by the placenta can disrupt normal glucose metabolism in the mother. This disruption may result in elevated blood glucose levels, which can lead to overnutrition and excessive growth of the fetus. Notably, patients do not need to fast prior to this test, making it more convenient. During the procedure, a 50 g oral dose of concentrated glucose, often referred to as Glucola, is administered to the patient. Following the ingestion of glucose, a blood sample is collected through a separate venipuncture exactly 60 minutes later. The plasma obtained from this sample is then analyzed using a quantitative enzymatic method to determine the glucose concentration in the blood.