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M Tests

Test
Description
Magnetic resonance angiography

Magnetic resonance angiography is an MRI exam of the blood vessels.

Mammography

A mammogram is an x-ray picture of the breasts.

Mediastinoscopy with biopsy

Mediastinoscopy with biopsy is a procedure in which a lighted instrument (mediastinoscope) is inserted through the neck to examine the structures in the top of the chest cavity, and a sample of tissue is taken.

Mental status tests

Mental status tests are used to determine whether a disease or condition is affecting a person's thinking abilities, and whether a person's mental condition is improving or getting worse.

Mesenteric arteriography

Mesenteric arteriography is an x-ray exam of the blood vessels that supply the abdominal area, including the small and large intestines.

Methanol test

Methanol is a nondrinking type of alcohol used for industrial and automotive purposes.

Methylene blue test

The methylene blue test is used to determine the type of the blood disorder, methemoglobinemia.

Methylmalonic acid test

Methylmalonic acid is a substance produced when proteins (amino acids) in the body break down.

Metyrapone Test

The metyrapone test measures the ability of the pituitary gland to release adrenocorticotropic hormone (ACTH) in response to decreased blood cortisol levels.

MIBG scintiscan

An MIBG scintiscan is an imaging test that uses a radioactive substance (called a tracer) and a special scanner to find or confirm the presence of pheochromocytoma and neuroblastoma, which are tumors of specific types of nervous tissue.

Microalbuminuria test

The microalbuminuria test looks for small quantities of a protein called albumin in a urine sample.

Mononucleosis spot test

The mononucleosis spot test looks for two antibodies in the blood that indicate infection with the Epstein-Barr virus (EBV).

MRI

Magnetic resonance imaging (MRI) is a noninvasive way to take pictures of the body.

MRI Of The Head

An MRI of the head is a noninvasive procedure that uses powerful magnets and radio waves to construct clear, detailed pictures of brain tissues.

Muscle biopsy

A muscle biopsy is the removal of a small piece of muscle tissue for examination.

Mycobacterial culture

Mycobacterial culture is a test to look for tuberculosis or a related organism in the body.

Myocardial biopsy

Myocardial biopsy is the removal of a small piece of heart muscle for examination.

Myoglobin - serum

Serum myoglobin is a test that measures the amount of myoglobin in the blood.

Myoglobin - urine

Urine myoglobin is a test to detect the presence of myoglobin in a sample of urine.

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