What is a prolactin levels test? A prolactin (PRL) test measures the level of prolactin in the blood. Prolactin is a hormone made by the pituitary gland, a small gland at the base of the brain. Prolactin causes the breasts to grow and make milk during pregnancy and after birth. Prolactin levels are normally high for pregnant women and […]
What is a prostate-specific antigen (PSA) test? A prostate-specific antigen (PSA) test measures the level of PSA in your blood. The prostate is a small gland that is part of a man’s reproductive system. It is located below the bladder and makes a fluid that is part of semen. PSA is a substance made by
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What are protein C and protein S tests? These tests measure the levels of protein C and protein S in your blood. Protein C and protein S tests are two separate tests that are often done at the same time. Protein C and protein S work together to prevent your blood from clotting too much.
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What is a protein in urine test? A protein in urine test measures how much protein is in your urine. Proteins are substances that are essential for your body to function properly. Protein is normally found in the blood. If there is a problem with your kidneys, protein can leak into your urine. While a
What is a prothrombin time test with an INR (PT/INR)? A prothrombin time (PT) test measures how long it takes for a clot to form in a blood sample. An INR (international normalized ratio) is a type of calculation based on PT test results. Prothrombin is a protein made by the liver. It is one
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What is a PTEN genetic test? A PTEN genetic test looks for a change, known as a mutation, in a gene called PTEN. Genes are the basic units of heredity passed down from your mother and father. The PTEN gene helps stop the growth of tumours. It’s known as a tumour suppressor. A tumour suppressor gene is
What is a rash evaluation? A rash evaluation is a test to find out what is causing a rash. A rash, also known as dermatitis, is an area of skin that is red, irritated, and usually itchy. A skin rash may also be dry, scaly, and/or painful. Most rashes happen when your skin touches a substance
What is a red cell distribution width test? A red cell distribution width (RDW) test is a measurement of the range in the volume and size of your red blood cells (erythrocytes). Red blood cells move oxygen from your lungs to every cell in your body. Your cells need oxygen to grow, reproduce, and stay
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What is an RBC antibody screen? An RBC (red blood cell) antibody screen is a blood test that looks for antibodies that target red blood cells. Red blood cell antibodies may cause harm to you after a transfusion or, if you are pregnant, to your baby. An RBC antibody screen can find these antibodies before they cause
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What is a respiratory pathogens (RP) panel? A respiratory pathogens (RP) panel checks for pathogens in the respiratory tract. A pathogen is a virus, bacteria, or other organism that causes an illness. Your respiratory tract is made up of parts of the body involved in breathing. This includes your lungs, nose, and throat. There are
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