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.
971 matching article(s).
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Rheumatoid Arthritis – Cause, Symptoms, Diagnosis, Treatment
Rheumatoid arthritis (RA) is a long-term autoimmune disorder in the human body that primarily affects multiple joints. It typically results in warm, swollen, tenderness,…
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Rheumatoid Factor (RF) – Indications, Procedures, Results
Rheumatoid factor (RF) is a blood test that measures the amount of the RF antibody in the blood. A rheumatoid factor (RF) test measures the…
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Rhinoscopy – Indications, Procedures, Results
Rhinoscopy Nasal endoscopy is a test to view the inside of the nose and sinuses to check for problems. Rhinoscopy, or Fiberoptic Rhinolaryngoscopy, is the…
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Right Heart Ventriculography – Indications, Procedures, Results
Angiography - right heart Right heart ventriculography is a study that images the right chambers (atrium and ventricle) of the heart. Right heart ventricular…
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Right Upper Quadrant Sonogram of Abdominal
Right upper quadrant sonogram Abdominal ultrasound is a type of imaging test. It is used to look at organs in the abdomen, including the liver, gallbladder,…
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Rotavirus Antigen Test – Indications, Procedures, Results
Gastroenteritis - rotavirus antigen The rotavirus antigen test detects rotavirus in the feces. This is the most common cause of infectious diarrhea in children. How the…
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Routine Eye Examination – Indications, Procedures, Results
Routine eye examination; Eye exam - standard; Annual eye exam A standard ophthalmic exam is a series of tests done to check your vision…
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Routine Sputum Culture – Indications, Procedures, Results
Sputum culture Routine sputum culture is a laboratory test that looks for germs that cause infection. Sputum is the material that comes up from…
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Routine Urine Test – Indications, Procedures, Results
Routine urine test Urinalysis is the physical, chemical, and microscopic examination of urine. It involves several tests to detect and measure various compounds that…
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RPR Test/Rapid Plasma Reagin Test – Indications, Procedures
Rapid plasma reagin test; Syphilis screening test RPR (rapid plasma reagin) is a screening test for syphilis. It looks for antibodies that are present in the…
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RSV Antibody Test – Indications, Procedures, Results
Respiratory syncytial virus antibody test; RSV serology A respiratory syncytial virus (RSV) antibody test is a blood test that measures the levels of antibodies (immunoglobulins)…
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RSV Serology Test – Indications, Procedures, Results
RSV serology A respiratory syncytial virus (RSV) antibody test is a blood test that measures the levels of antibodies (immunoglobulins) the body makes after infection…
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Salivary Gland Biopsy – Indications, Procedure, Results
Salivary gland biopsy is the removal of cells or a piece of tissue from a salivary gland for the exam. How the Test is…
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Salivary Gland Biopsy – Indications, Procedures, Results
Biopsy - salivary gland Salivary gland biopsy is the removal of cells or a piece of tissue from a salivary gland for the exam.…
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Schilling Test – Indications, Procedures, Results
Vitamin B12 absorption test The Schilling can determine whether the body absorbs vitamin B12 normally. It checks for certain types of anemia that are caused by…
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Schirmer Tears Test – Indications, Procedures, Results
Tear test; Tearing test; Dry eye test; Basal secretion test; Schirmer's test The Schirmer test determines whether the eye produces enough tears to keep…
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Secretin Enzyme Stimulation Test
Pancreatic function test The secretin stimulation test measures the ability of the pancreas to respond to a hormone called secretin. The small intestine produces…
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Segmental Pulse Volume Recordings Test
Respiratory inductance plethysmography; Penile pulse volume recording; Pulse volume recordings; Segmental pulse volume recordings PVR, also known as a segmental pressure study, is a non-invasive…
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Sentinel Lymph Node Biopsy – Indications, Procedures, Results
Sentinel lymph node biopsy A lymph node biopsy is the removal of lymph node tissue for examination under a microscope. The lymph nodes are…
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Serology For Brucellosis – Indications, Procedure, Results
Serology for brucellosis is a blood test to look for the presence of antibodies against Brucella. This is the bacteria that causes the disease brucellosis. How the…
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Serology For Brucellosis – Indications, Procedures, Results
Brucella serology; Brucella antibody test or titer This is a blood test for brucellosis. Brucellosis is an infectious disease usually caused by handling animals or…
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Serology for Tularemia – Indications, Procedures, Results
Tularemia test; Serology for Francisella tularensis Serology for tularemia is a blood test that checks for infection caused by bacteria called Francisella tularensis (F tularensis), which causes…
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Serotonin Blood Test – Indications, Procedures, Results
5-HT level; 5-hydroxytryptamine level; Serotonin test The serotonin test measures the level of serotonin in the blood. How the Test is Performed A blood sample is…
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Serum ACTH Test – Indications, Procedure, Results
The ACTH test measures the level of adrenocorticotropic hormone (ACTH) in the blood. ACTH is a hormone released from the pituitary gland in the…
