Medical Test Library
RX Lab Tests A-Z
Browse indexed laboratory-test guides by test name or first letter, with small lazy-loaded result pages for fast access.
47 matching article(s).
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Lactate Dehydrogenase Test – Indications, Procedures, Results
LDH test; Lactic acid dehydrogenase test Lactate dehydrogenase (LDH) is a protein that helps produce energy in the body. An LDH test measures the…
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Lactic Acid Test – Indications, Procedures, Results
Lactate test Lactic acid is mainly produced in muscle cells and red blood cells. It forms when the body breaks down carbohydrates to use…
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Laminectomy – Types, Indications, Contraindications
A laminectomy is a surgical procedure that removes a portion of the vertebral bone called the lamina, which is the roof of the spinal canal. It is a major spine…
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Laparoscopy – Indications, Procedures, Results
Laparoscopy - diagnostic; Exploratory laparoscopy Diagnostic laparoscopy is a procedure that allows a doctor to look directly at the contents of the abdomen or…
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Latex Agglutination Test – Indications, Procedures, Results
The latex agglutination test is a laboratory method to check for certain antibodies or antigens in a variety of body fluids including saliva, urine, cerebrospinal fluid, or…
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LDH isoenzyme Blood Test – Indications, Procedures, Results
LD; Lactic (lactate) dehydrogenase isoenzymes The lactate dehydrogenase (LDH) isoenzyme test checks how many of the different types of LDH are in the blood. How…
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LDH isoenzyme blood test – Indications, Procedures, Results
LD; Lactic (lactate) dehydrogenase isoenzymes The lactate dehydrogenase (LDH) isoenzyme test checks how many of the different types of LDH are in the blood. How…
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Left Heart Catheterization – Indications, Procedures, Results
Catheterization - left heart Left heart catheterization is the passage of a thin flexible tube (catheter) into the left side of the heart. It…
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Left Heart Ventricular Angiography – Indications, Procedures
Angiography - left heart; Left ventriculography Left ventriculography (LVG) has been developed and in use for more than 50 years. 1,2 It is an imaging…
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Leg CT scan – Indications, Procedures, Results
CAT scan - leg; Computed axial tomography scan - leg; Computed tomography scan - leg; CT scan - leg A computed tomography (CT) scan…
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Leg MRI scan – Indications, Procedures, Results
MRI - lower extremity; Magnetic resonance imaging - leg; Magnetic resonance imaging - lower extremity; MRI - ankle; Magnetic resonance imaging - ankle; MRI…
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Lepromin Skin Test – Indications, Procedures, Results
Leprosy skin test; Hansen disease - skin test The lepromin skin test is used to determine what type of leprosy a person has. How…
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Leucine Aminopeptidase Blood Test
Serum leucine aminopeptidase The leucine aminopeptidase (LAP) test is a rapid test for the detection of enzyme leucine aminopeptidase. Leucine- β- napthalamide impregnated disk…
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Leucine Aminopeptidase Urine Test – Indications, Procedures
Leucine aminopeptidase is a type of protein called an enzyme. It is normally found in liver cells and cells of the small intestine. This…
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Leukocyte Esterase Urine Test – Indications, Procedures, Results
WBC esterase Leukocyte esterase is a urine test to look for white blood cells and other signs of infection. How the Test is Performed…
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LH response to GnRH blood test
Luteinizing hormone response to gonadotropin-releasing hormone LH response to GnRH is a blood test to help determine if your pituitary gland can correctly respond…
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Lighten Dark Hair; How to Lighten Your Dark Hair at Home
How to Lighten Dark Hair with Hydrogen Peroxide Lightening dark hair at home requires patience and consistency especially if you are using home remedies…
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Limb Plethysmography – Indications, Procedures, Results
Plethysmography - limb Limb plethysmography is a test that compares blood pressure in the legs and arms. How the Test is Performed This test…
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Lipase Test – Indications, Procedures, Results
Lipase is a protein ( enzyme ) released by the pancreas into the small intestine. It helps the body absorb fat. This test is…
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Lipoprotein-a Test – Indications, Procedures, Results
Lp(a) Lipoproteins are molecules made of proteins and fat. They carry cholesterol and similar substances through the blood. A blood test can be done to measure…
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Liver Biopsy – Indications, Procedure, Results
A liver biopsy is a test that takes a sample of tissue from the liver for examination. How the Test is Performed Most of the time,…
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Liver Biopsy – Indications, Procedures, Results
Biopsy - liver; Percutaneous biopsy A liver biopsy is a test that takes a sample of tissue from the liver for examination. How the Test is…
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Liver Function Tests – Indications, Procedures, Results
Liver function tests (LFTs or LFs), also referred to as a hepatic panel, are groups of blood tests that provide information about the state of a patient's liver.…
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Liver scan – Indications, Procedures, Results
Technetium scan; Liver technetium sulfur colloid scan; Liver-spleen radionuclide scan; Nuclear scan - technetium; Nuclear scan - liver or spleen A liver scan uses…
