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| Abdominal CT scan |
An abdominal CT scan is an imaging method that uses x-rays to create cross-sectional pictures of the belly area.
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| Abdominal film |
Abdominal films are x-ray images of the abdomen.
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| Abdominal MRI scan |
A magnetic resonance imaging (MRI) scan of the abdomen is a noninvasive method to create detailed pictures of the inside of the belly area.
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| Abdominal tap |
An abdominal tap is a procedure used to remove fluid from the abdomen.
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| Abdominal ultrasound |
Abdominal ultrasound is an imaging procedure used to examine the internal organs of the abdomen, including the liver, gallbladder, spleen, pancreas, and kidneys.
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| Abdominal wall fat pad biopsy |
An abdominal wall fat pad biopsy is the removal of a small part of the abdominal wall fat pad.
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| Abscess scan - radioactive |
Radioactive abscess scan uses white blood cells tagged with a radioactive substances and x-rays to look for abnormal sites of inflammation in the body.
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| ACE levels |
ACE levels is a blood test that measures the amount of angiotensin-converting enzyme (ACE).
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| Acetylcholine receptor antibody |
Acetylcholine receptor antibody is a protein found in the blood of most people with myasthenia gravis.
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| Acid loading test (pH) |
The acid loading test (pH) measures the ability of the kidney tubules to acidify urine when there is increased plasma acidity.
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| Acid mucopolysaccharides |
Acid mucopolysaccharides is a test that measures the amount of mucopolysaccharides released into the urine over a 24-hour period.
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| Acid-fast stain |
The acid-fast stain is a laboratory test that determines if a sample of tissue, blood, or other body substance is infected with the bacteria that causes tuberculosis and other illnesses.
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| ACTH |
An ACTH test measures ACTH, a hormone released from the anterior pituitary gland in the brain.
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| ACTH (cosyntropin) stimulation test |
ACTH (cosyntropin) stimulation test measures how well the adrenal glands respond to the hormone ACTH.
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| ADH |
ADH is a test that measures the amount of antidiuretic hormone (ADH) in blood.
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| Adrenalectomy |
Adrenalectomy is surgery to remove one or more adrenal gland.
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| Aerobic bacteria |
Aerobic bacteria are bacteria that can grow and live in the presence of oxygen.
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| Albumin - serum |
Albumin is a protein made by the liver.
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| Aldolase test |
Aldolase is a protein (called an enzyme) that helps break down certain sugars into energy.
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| Aldosterone |
An aldosterone test measures the amount of the hormone aldosterone in blood.
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| Allergy testing |
Allergy tests are any of several tests used to determine the substances to which a person is allergic.
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| ALP |
Alkaline phosphatase (ALP) is a protein found in all body tissues.
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| ALP isoenzyme test |
Alkaline phosphatase (ALP) is a substance found in all body tissues.
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| Alpha fetoprotein |
Alpha fetoprotein (AFP) is a protein normally produced by the liver and yolk sac of a fetus.
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| Alpha-1 antitrypsin |
Alpha-1 antitrypsin is a laboratory test to measure the amount of alpha-1 antitrypsin (A1AT) in your blood.
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| ALT |
Alanine transaminase (ALT) is an enzyme found in the highest amounts in the liver.
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| Aminoaciduria |
Aminoaciduria is an abnormal amount of amino acids in the urine.
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| Ammonium ion |
Ammonium ion test measures the amount of ammonium ions in a blood sample.
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| Amniocentesis |
Amniocentesis is a test during pregnancy that removes a small amount of fluid from the sac around the baby to look for birth defects and chromosome problems.
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| Amylase - blood |
Amylase is an enzyme that helps digest carbohydrates.
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| Amylase - urine |
This is a test that measures the amount of amylase in urine.
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| Anaerobic bacteria |
Anaerobic bacteria are bacteria that do not live or grow in the presence of oxygen.
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| Anoscopy |
Anoscopy is a method to view the anus, anal canal, and lower rectum.
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| Anti-DNase B |
Anti-DNase B is a blood test to look for a substance produced by Group A Streptococcus, the bacteria that cause strep throat.
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| Anti-glomerular basement membrane |
The glomerular basement membrane is a part of the kidneys that helps filter waste and extra fluid from the blood.
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| Anti-insulin antibody test |
The anti-insulin antibody test checks for the presence of antibodies (indicating an immune response) against insulin.
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| Anti-smooth muscle antibody |
This is a blood test that detects the presence of antibodies against smooth muscle.
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| Antibody titer |
Antibody titer is a laboratory test that measures the presence and amount of antibodies in blood.
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| Antimitochondrial antibody |
Antimitochondrial antibodies (AMA) are substances (antibodies) that form against mitochondria, an important part of cells.
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| Antinuclear antibody panel |
The antinuclear antibody panel is a blood test that looks at antinuclear antibodies (ANA).
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| Antiparietal cells antibodies |
Antiparietal cells antibodies is a test to measure the presence of antibodies against the parietal cells of the stomach.
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| Antistreptolysin O titer |
Antistreptolysin O (ASO) titer is a blood test to measure antibodies against streptolysin O, a substance produced by Group A Streptococcus bacteria.
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| Antithrombin III |
Antithrombin III is a blood test that measures the amount of antithrombin III (AT III), a protein that helps control blood clotting.
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| Antithyroglobulin antibody |
Antithyroglobulin antibody is a test to measure antibodies to a protein called thyroglobulin, which is found in thyroid cells.
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| Antithyroid microsomal antibody |
Antithyroid microsomal antibody is a test to measure antithyroid microsomal antibodies in the blood.
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| Aortic angiography |
Aortic angiography is a procedure that uses a special dye (contrast material) and x-rays to see how blood flows through the aorta, the major artery leading out of the heart.
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| APGAR |
APGAR is a quick test performed at 1 and 5 minutes after birth.
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| Apolipoprotein B100 |
Apolipoprotein B100 (apoB100) is a protein that plays a role in metabolism.
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| Apolipoprotein CII |
Apolipoprotein CII (apoCII) is a protein found in large particles absorbed from the gastrointestinal tract.
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| Arm CT scan |
A computed tomography (CT) scan of the arm is an imaging method that uses x-rays to create cross-sectional pictures of the arm.
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