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Showing 961–984 of 1013 results
Vascular Endothelial Growth Factor
Quest
Not offered
Vascular endothelial growth factor (VEGF) is a protein that promotes the growth of new blood vessels. Measuring VEGF levels can help assess abnormal blood vessel activity and may be useful in evaluating inflammatory conditions or certain eye and vascular disorders.
- Vascular Endothelial Growth Factor (VEGF) A signaling protein that promotes new blood vessel growth. Studied in cancer, wound healing, and certain inflammatory or eye conditions.
Vascular Endothelial Growth Factor, Plasma
Vascular endothelial growth factor (VEGF) is a protein that promotes the growth of new blood vessels. Measuring VEGF levels can help assess abnormal blood vessel activity and may be useful in evaluating inflammatory conditions or certain eye and vascular disorders.
- Vascular Endothelial Growth Factor (VEGF) A signaling protein that promotes new blood vessel growth. Studied in cancer, wound healing, and certain inflammatory or eye conditions.
Vascular endothelial growth factor (VEGF) is a protein that promotes the growth of new blood vessels. Measuring VEGF levels can help assess abnormal blood vessel activity and may be useful in evaluating inflammatory conditions or certain eye and vascular disorders.
- Vascular Endothelial Growth Factor (VEGF) A signaling protein that promotes new blood vessel growth. Studied in cancer, wound healing, and certain inflammatory or eye conditions.
Vasoactive Intestinal Polypeptide (VIP)
Vasoactive Intestinal Polypeptide (VIP) is a neuropeptide that regulates smooth muscle activity, water and electrolyte secretion in the intestines, and vasodilation. Elevated levels may be associated with VIPoma, chronic diarrhea, or autonomic nervous system dysfunction.
- Vasoactive Intestinal Polypeptide (VIP) A hormone involved in gut function and blood vessel regulation; elevated levels can indicate a rare hormone-secreting tumor (VIPoma).
Vasoactive Intestinal Polypeptide (VIP) is a neuropeptide that regulates smooth muscle activity, water and electrolyte secretion in the intestines, and vasodilation. Elevated levels may be associated with VIPoma, chronic diarrhea, or autonomic nervous system dysfunction.
- Vasoactive Intestinal Polypeptide (VIP) A hormone involved in gut function and blood vessel regulation; elevated levels can indicate a rare hormone-secreting tumor (VIPoma).
Velvet Grass (g13) IgE
Labcorp
Not offered
This test measures the body's immune response to velvet grass, a common allergen, by assessing the level of specific IgE antibodies in the serum. It's crucial for diagnosing allergies related to velvet grass exposure.
Virginia Live Oak (rt218) IgE
Labcorp
Not offered
This test measures the immune system's response to the Virginia Live Oak tree, specifically looking for an IgE antibody reaction. IgE antibodies are typically associated with allergic reactions. Identifying the presence of these antibodies can help diagnose allergies to the Virginia Live Oak.
Viscosity, Serum
Labcorp
Not offered
High serum viscosity may be most commonly observed in patients with Waldenstrวm's macroglobulinemia and multiple myeloma. Patients with high viscosity may have capillary occlusion, stasis hypoxia, and acidosis.
Vitamin A
Vitamin A (Retinol) is a fat-soluble vitamin crucial for vision, immune function, and cellular growth. It is commonly measured to assess nutritional status, especially in cases of malabsorption, poor diet, or symptoms like night blindness and dry skin.
- Vitamin A Measures vitamin A, important for vision, immune function, and skin health.
Vitamin A (Retinol) is a fat-soluble vitamin crucial for vision, immune function, and cellular growth. It is commonly measured to assess nutritional status, especially in cases of malabsorption, poor diet, or symptoms like night blindness and dry skin.
- Vitamin A Measures vitamin A, important for vision, immune function, and skin health.
Vitamin B1
Quest
Not offered
Vitamin B1 (Thiamine) is vital for energy metabolism and nervous system function. Deficiency can lead to symptoms such as fatigue, irritability, and in severe cases, neurological disorders like beriberi or Wernickeโs encephalopathy.
- Vitamin B1 (Thiamine) Thiamine, a B vitamin essential for energy metabolism and nerve function.
Vitamin B12
Vitamin B12 is a water-soluble vitamin essential for red blood cell production, neurological function, and DNA synthesis. It is commonly assessed to investigate fatigue, neuropathy, cognitive issues, or megaloblastic anemia.
- Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
Vitamin B12 is a water-soluble vitamin essential for red blood cell production, neurological function, and DNA synthesis. It is commonly assessed to investigate fatigue, neuropathy, cognitive issues, or megaloblastic anemia.
- Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
Vitamin B12 (Cobalamin)
Labcorp
Not offered
This test measures the level of Vitamin B12 in the body, which is crucial for nerve health and the production of DNA and red blood cells. Low levels of Vitamin B12 can indicate conditions such as pernicious anemia, issues from stomach surgery (total or partial gastrectomy), problems with absorbing nutrients (malabsorption), and certain inherited disorders.
- Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
Vitamin B12 & Folate
Vitamin B12 & Folate are two essential B vitamins critical for red blood cell formation, DNA synthesis, and neurological function. Testing both helps evaluate causes of anemia, fatigue, or cognitive changes, and is important in assessing overall methylation and metabolic health.
- Folate Vitamin B9, needed for cell division, DNA synthesis, and red blood cell production. Low levels can cause a type of anemia and are important in pregnancy.
- Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
Vitamin B12 & Folate are two essential B vitamins critical for red blood cell formation, DNA synthesis, and neurological function. Testing both helps evaluate causes of anemia, fatigue, or cognitive changes, and is important in assessing overall methylation and metabolic health.
- Folate Vitamin B9, needed for cell division, DNA synthesis, and red blood cell production. Low levels can cause a type of anemia and are important in pregnancy.
- Vitamin B12 A vitamin essential for nerve function and red blood cell production. Low levels can cause fatigue, neurological symptoms, and a type of anemia.
Vitamin B1 (Thiamine),Blood, LC/MS/MS
Labcorp
Not offered
This test measures the level of Vitamin B1 in the blood, which is crucial for breaking down amino acids and carbohydrates. It's especially important for people who might not be getting enough Vitamin B1, often due to alcoholism or chronic illnesses. Early signs of Vitamin B1 deficiency include loss of appetite, irritability, lack of interest, and general weakness. If not addressed, it can lead to beriberi, a serious condition.
- Vitamin B1 (Thiamine) Thiamine, a B vitamin essential for energy metabolism and nerve function.
Vitamin B2
Quest
Not offered
Vitamin B2 (Riboflavin) is a water-soluble vitamin essential for energy production and cellular function through its role in redox reactions. It is typically assessed to identify deficiencies that may contribute to fatigue, mucosal irritation, or skin disorders.
- Vitamin B2 (Riboflavin) Riboflavin, a B vitamin involved in energy production and cellular function.
Vitamin B2 (Riboflavin)
Labcorp
Not offered
Vitamin B2, also known as Riboflavin, plays a crucial role in the metabolism of fats, carbohydrates, and proteins. A deficiency in Vitamin B2 can lead to a variety of non-specific symptoms, making it hard to diagnose without a test. These symptoms can include issues with the mouth and skin, such as sores, corneal vascularization (affecting the eyes), anemia, and even personality changes.
- Vitamin B2 (Riboflavin) Riboflavin, a B vitamin involved in energy production and cellular function.
Vitamin B3
Vitamin B3 (Niacin) is a water-soluble vitamin important for energy production, DNA repair, and maintaining healthy skin and nerves. It is used to assess nutritional status and may help evaluate causes of fatigue, pellagra-like symptoms, or metabolic concerns.
- Nicotinamide
- Vitamin B3 (Nicotinic Acid) Niacin, a B vitamin involved in energy metabolism, skin health, and nervous system function.
Vitamin B3 (Niacin) is a water-soluble vitamin important for energy production, DNA repair, and maintaining healthy skin and nerves. It is used to assess nutritional status and may help evaluate causes of fatigue, pellagra-like symptoms, or metabolic concerns.
- Nicotinamide
- Vitamin B3 (Nicotinic Acid) Niacin, a B vitamin involved in energy metabolism, skin health, and nervous system function.
Vitamin B5
Quest
Not offered
Vitamin B5 (Pantothenic Acid) is a crucial component of coenzyme A and phosphopantetheine, both essential for fatty acid metabolism. Adequate levels of Vitamin B5 are necessary for optimal energy production and the synthesis of essential biomolecules. Deficiency or suboptimal levels may impact metabolic function and overall energy levels.
- Vitamin B5 (Pantothenic Acid) Pantothenic acid, a B vitamin involved in energy production and hormone synthesis.
Vitamin B5 (Pantothenic Acid)
Labcorp
Not offered
This test measures the level of Vitamin B5 in your body, which is crucial for breaking down fats and is vital for all living organisms. Found in many foods, Vitamin B5 is a key player in fatty acid metabolism, helping your body use fats for energy and maintain healthy skin, hair, and eyes.
- Vitamin B5 (Pantothenic Acid) Pantothenic acid, a B vitamin involved in energy production and hormone synthesis.
Vitamin B6
Vitamin B6 is a water-soluble vitamin essential for amino acid metabolism, neurotransmitter synthesis, and immune function. Deficiency or excess can impact nerve health, mood regulation, and energy production.
- Vitamin B6 A B vitamin involved in amino acid metabolism, red blood cell production, and nervous system function.
Vitamin B6 is a water-soluble vitamin essential for amino acid metabolism, neurotransmitter synthesis, and immune function. Deficiency or excess can impact nerve health, mood regulation, and energy production.
- Vitamin B6 A B vitamin involved in amino acid metabolism, red blood cell production, and nervous system function.
Vitamin C (Plasma)
Quest
Not offered
Vitamin C is a water-soluble antioxidant essential for immune function, collagen synthesis, and protection against oxidative stress.
- Vitamin C An antioxidant vitamin important for immune function, collagen production, and iron absorption.
Vitamin C (Serum)
Labcorp
Not offered
This test measures the level of Vitamin C in your body, which is crucial for your health. Vitamin C plays a key role in forming connective tissue, helping your body metabolize drugs, and supporting various enzyme functions. A lack of Vitamin C can lead to scurvy, a condition that affects your body's ability to form mature connective tissue, leading to symptoms like skin bleeding, weakness, fatigue, and depression.
- Vitamin C An antioxidant vitamin important for immune function, collagen production, and iron absorption.
Vitamin E
Quest
Not offered
Vitamin E (Tocopherol) is a fat-soluble antioxidant that protects cells from oxidative stress. It is used to evaluate nutritional status and monitor for deficiencies or excesses, particularly in individuals with fat malabsorption or those taking supplements.
- Vitamin E, Alpha-Tocopherol The most active form of vitamin E in the body, an antioxidant that protects cells from damage. Used to assess vitamin E status.
- Vitamin E, Gamma-Tocopherol Gamma-tocopherol, a form of vitamin E found in many dietary oils. Measured alongside alpha-tocopherol for a fuller picture of vitamin E status.
Vitamin E (Tocopherol)
Labcorp
Not offered
This test checks for Vitamin E levels in the body, which is crucial for nerve health. A lack of Vitamin E can lead to serious nerve damage in both children and adults. It's often caused by problems with absorbing nutrients due to conditions like bowel disease, pancreatic disease, chronic cholestasis, celiac disease, cystic fibrosis, or intestinal lymphangiectasia.
- Vitamin E, Alpha-Tocopherol The most active form of vitamin E in the body, an antioxidant that protects cells from damage. Used to assess vitamin E status.
- Vitamin E, Beta Gamma Tocopherol
Vitamin K
Labcorp
Not offered
Vitamin K is a required co-factor for the synthesis of factors 2, 7, 9, and 10 and proteins C and S. Deficiencies of vitamin K lead to bleeding. Coumadin (warfarin) acts as an anticoagulant because it is a vitamin K antagonist.
- Vitamin K The main dietary form of vitamin K, essential for normal blood clotting and also involved in bone health.
Vitamin K1
Quest
Not offered
Vitamin K1 plays a crucial role in blood clotting and bone metabolism. Assessing Vitamin K1 levels can help identify deficiencies that may be associated with conditions such as obstructive liver disease, malabsorption disorders, pancreatitis, prolonged diarrhea, or antibiotic overuse. Identifying and addressing deficiencies is essential for managing blood clotting disorders, supporting bone health, and preventing hemorrhagic conditions, particularly in newborns.
- Vitamin K The main dietary form of vitamin K, essential for normal blood clotting and also involved in bone health.