Glucose - Arterial on Labcorp's Arterial Blood Gas (ABG) Panel The Glucose - Arterial marker on Labcorp's Arterial Blood Gas (ABG) Panel measures the concentration of glucose in arterial blood. Glucose is a primary energy source for the body's cells and is tightly regulated by hormones such as insulin and glucagon. Monitoring glucose levels is essential for assessing metabolic status and diagnosing conditions like diabetes mellitus and hypoglycemia. Normal Reference Range The normal reference range for arterial glucose levels varies by age: Neonates (<30 days): 40–90 mg/dL Infants (30 days–3 years): 60–100 mg/dL Children and adults (>3 years): 65–100 mg/dL Critical values are: Neonates: <40 or >200 mg/dL Infants and older children/adults: <50 or >500 mg/dL Clinical Significance Abnormal glucose levels can indicate various health conditions: Elevated Levels (Hyperglycemia): May suggest diabetes mellitus, stress response, or endocrine disorders. Decreased Levels (Hypoglycemia): Can result from insulin overdose, adrenal insufficiency, or prolonged fasting. Arterial glucose measurements are particularly useful in critical care settings for real-time monitoring of a patient's metabolic status.
Blood Sugar
CARBOHYDRATE Metabolism/Glycolysis
1-hour post-load glucose
2-hour post-load glucose
Glucose 6-Phosphate Dehydrogenase, often abbreviated as G6PD (or G-6-PD), plays a critical role in the body's cellular function. This enzyme is vital for the health of all cells, but it's particularly crucial for red blood cells. G6PD helps cells manage oxidative stress. Oxidative stress occurs when there's an imbalance between the production of harmful free radicals (unstable molecules that can damage cells) and the body's ability to counteract their harmful effects through neutralization with antioxidants. G6PD aids in the production of NADPH, a molecule that plays a key role in the antioxidant defense system of cells. Specifically, NADPH helps maintain the supply of glutathione, a powerful antioxidant that protects red blood cells from damage. The importance of G6PD comes into the spotlight when we consider its role in maintaining the integrity and functionality of red blood cells. These cells are responsible for transporting oxygen from the lungs to the rest of the body and returning carbon dioxide back to the lungs for exhalation. Because red blood cells are continuously exposed to oxygen, they are particularly susceptible to oxidative damage. G6PD ensures that red blood cells can protect themselves against such damage and thus, maintain their crucial function in oxygen transportation. However, when there's a deficiency in G6PD, red blood cells are more vulnerable to oxidative stress, leading to a condition known as hemolytic anemia. In hemolytic anemia, red blood cells are destroyed faster than they can be made, resulting in fatigue, jaundice (a yellowing of the skin and eyes), and other symptoms due to the lack of adequate oxygen delivery to the body's tissues. This condition can be triggered by various factors, including certain foods, infections, and medications that increase oxidative stress within red blood cells. A G6PD test, specifically a quantitative test, measures the exact amount of the enzyme present in the blood. This test is crucial for diagnosing G6PD deficiency. Knowing the precise levels of G6PD helps healthcare providers manage and advise patients with the deficiency on how to avoid triggers that may lead to hemolytic anemia. It's particularly important in regions where G6PD deficiency is common or for individuals of certain ethnic backgrounds that have a higher prevalence of this condition. Understanding G6PD and its significance requires a look at both the cellular level, where it helps protect cells from oxidative damage, and the broader impacts, such as its role in preventing hemolytic anemia. Through the quantitative measurement of G6PD, healthcare providers can better diagnose, manage, and provide guidance to those affected by G6PD deficiency, improving their quality of life and preventing potential complications.
an essential tool in the ongoing monitoring and management of blood sugar levels
Test for detection and monitoring of diabetes mellitus.
helps red blood cells (RBCs) function normally
Glucose-Insulin metabolism test
Glutamate functions as the major excitatory neurotransmitter and metabolic fuel throughout the body.
major excitatory neurotransmitter and metabolic fuel throughout the body.
an excitatory neurotransmitter
Glutamate functions as the major excitatory neurotransmitter and metabolic fuel throughout the body.
a vital neurotransmitter in the central nervous system
a vital neurotransmitter in the central nervous system
Glutamate is an important marker included on the Amino Acids; Urine 24-hour panel provided by Doctor's Data. This amino acid plays a crucial role in the body, primarily as a neurotransmitter in the brain, where it helps in sending signals between nerve cells. It's one of the most abundant neurotransmitters and is essential for learning and memory. When measured in a urine test, the levels of glutamate can give valuable insights into a person's metabolic processes. Abnormal levels of glutamate in the urine can indicate various health issues. For example, elevated glutamate can suggest problems with neurological functions or an imbalance in amino acid metabolism. On the other hand, low levels might point to issues like inadequate protein intake or specific metabolic disorders. The 24-hour urine collection method used in this test helps to provide a comprehensive view of the glutamate levels over a full day, giving a more accurate assessment than a single snapshot might. This detailed information can be crucial for doctors to diagnose potential health issues and to recommend appropriate dietary adjustments or treatments to balance glutamate levels in the body.