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24-Hour Urine Collection
A 24-hour urine collection is a simple lab test that measures what’s in your urine. The test is used to check kidney function. Here's what you need to know.
24-Hour Urine Cortisol
This urine test measure the level of the hormone cortisol, which helps your body manage stress.
24-Hour Urine Protein
This test measures the amount of protein in your urine. When protein shows up in your urine, you may have kidney disease, diabetes, or another condition.
5-Hydroxyindoleacetic Acid (Urine)
This test measures the amount of 5-hydroxyindoleacetic acid in your urine. The test can help find out if you have a carcinoid tumor.
A1C
A1C is a blood test used to screen people to find out whether they have diabetes or prediabetes.
Abdominal Angiogram
An angiogram is an imaging test that uses X-rays to look at your blood vessels. An abdominal angiogram looks at the blood vessels in your belly (abdomen). Read on to learn why it's done, and what to expect before, during, and after this test.
Abdominal Aortic Aneurysm Repair
Abdominal aortic aneurysm (AAA) repair is done to treat an aneurysm. An aneurysm is a bulging, weak spot in the aorta that may be at risk for rupturing. In this case, the aneurysm is in part of the aorta that is in the abdomen.
Abdominal Ultrasound
An abdominal ultrasound is an imaging test used to assess the organs and structures in the belly. Read on to learn what to expect before, during, and after the test.
Abdominal X-ray
An abdominal X-ray may be done to check the area for causes of belly pain. It can also be done to find an object that has been swallowed or to look for a blockage or a hole in the intestine. Read on to learn what to expect before, during, and after this imaging test.
Acetaminophen Drug Level
The acetaminophen drug level is a blood test used to screen for the presence of the common pain reliever acetaminophen.