Tests
Macroscopic Blood Measurement
The determination of the amount or presence of macroscopic blood present in a sample.
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Tests
The determination of the amount or presence of macroscopic blood present in a sample.
Tests
A magnesium blood test measures the amount of magnesium in a sample of your blood. Magnesium is a mineral that you get from many kinds of foods you eat. Some examples include nuts, seeds, beans, fortified breakfast cereals, green leafy vegetables, and milk.
Tests
Malaria tests look for signs of a malaria infection in a sample of your blood. These infections are caused by malaria parasites , which are tiny single-celled life forms. There are several types of these parasites.
Tests
The determination of the ratio of malignant cells compared to blood cells present in a sample. The measurement may be expressed as a ratio or percentage.
Tests
MCV stands for mean corpuscular volume. An MCV blood test measures the average size of your red blood cells.
Tests
The determination of the average size of the platelets present in a blood sample.
Tests
Meningococcal disease is the name for any infection caused by meningococcal bacteria (called Neisseria meningitidis ). Meningococcal disease tests look for these bacteria in your blood or cerebrospinal fluid (CSF), the fluid in spaces around your brain and spinal cord.
Tests
This test measures the amount of methylmalonic acid (MMA) in your blood or urine. MMA is a substance made in small amounts when you digest protein. MMA is needed for metabolism, which is the process that your body uses to change food into energy.
Tests
MPV stands for mean platelet volume. Platelets (also called thrombocytes) are small blood cells that stick together to make blood clots that stop or slow bleeding when you have a cut or injury. Platelets are made in your bone marrow.
Tests
An MTHFR gene test checks a sample of your blood for two very common changes in a gene called MTHFR . Changes in your genes are also called gene variants or mutations.
Tests
Natriuretic peptides are proteins that your heart and blood vessels make. Natriuretic peptide tests measure the amount of these proteins in a sample of your blood. They are mainly used to help confirm or rule out heart failure in people who have symptoms.
Tests
The measurement of the ratio of natural killer cells, which are leukocytes that express CD16 and CD56, to the total number of blood cells in a sample expressed as a percent value.