Category: Rx Lab Test (A – Z)

Aminoaciduria is an abnormal amount of amino acids in the urine. Amino acids are the building blocks for proteins in the body. How the...

Plasma amino acids is a screening test done on infants that looks at the amounts of amino acids in the blood. Amino acids are the building...

Aminoaciduria is an abnormal amount of amino acids in the urine. Amino acids are the building blocks for proteins in the body. How the...

Prolactin is a hormone released by the pituitary gland. The prolactin test measures the amount of prolactin in the blood. How the Test is...

A Holter monitor is a machine that continuously records the heart’s rhythms. The monitor is worn for 24 to 48 hours during normal activity....

Alpha-fetoprotein (AFP) is a protein produced by the liver and yolk sac of a developing baby during pregnancy. AFP levels go down soon after...

Allergy skin tests are used to find out which substances cause a person to have an allergic reaction. How the Test is Performed There...

Alkaline phosphatase (ALP) is an enzyme found in many body tissues such as the liver, bile ducts, bone, and intestine. There are several different...

Alkaline phosphatase (ALP) is a protein found in all body tissues. Tissues with higher amounts of ALP include the liver, bile ducts, and bone. A blood...

The 24-hour urinary aldosterone excretion test measures the amount of aldosterone removed in the urine in a day. Aldosterone can also be measured with...

Aldolase is a protein (called an enzyme) that helps break down certain sugars to produce energy. It is found in a high amount of...

A breath alcohol test determines how much alcohol is in your blood. The test measures the amount of alcohol in the air you breathe...

The protein urine dipstick test measures the presence of proteins, such as albumin, in a urine sample. Albumin and protein can also be measured...

The protein urine dipstick test measures the presence of proteins, such as albumin, in a urine sample. Albumin and protein can also be measured...

Albumin is a protein made by the liver. A serum albumin test measures the amount of this protein in the clear liquid portion of...

The alanine transaminase (ALT) blood test measures the level of the enzyme ALT in the blood. How the Test is Performed A blood sample is needed. How to...

The alanine transaminase (ALT) blood test measures the level of the enzyme ALT in the blood. How the Test is Performed A blood sample is needed. How to...

The Pap test checks for cervical cancer. Cells scraped from the opening of the cervix are examined under a microscope. The cervix is the...

A cold knife cone biopsy (conization) is surgery to remove a sample of abnormal tissue from the cervix. The cervix is the lower part...

A colposcopy is a special way of looking at the cervix. It uses a light and a low-powered microscope to make the cervix appear...