The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

If your doctor suspects you have one of several diseases, they may want to perform an “enzyme-linked immunosorbent assay” test. This is more commonly known as an ELISA test, and it can help to confirm ...

Blood tests can help diagnose, stage, and determine how to treat uterine cancer. If your doctor suspects you have uterine cancer, they’ll also order imaging tests and a biopsy to confirm it. Share on ...

Cancerguard detects multiple cancers early by identifying specific DNA and protein markers in a blood sample. The test is available for adults aged 50-84 without cancer in the past three years, but it ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

A new blood test uses a portable diagnostic system to detect various different diseases in just 15 minutes. The test could change the way we diagnose a wide range of infectious diseases. Here's what ...

When a baby is born in the United States, a few drops of blood are taken from their heel to test for many conditions that could affect the child’s long-term health or survival. This testing is part of ...