A D-dimer test measures how much D-dimer protein is in the blood. This protein is present when blood clots break down. A typical range is 0-0.50 milligrams per liter (mg/L) of blood. D-dimer is a ...

When it comes to maintaining health, it can be helpful to understand an optimal baseline for some matters. Learning a healthy weight range for your height, age, and gender, for instance, can be useful ...

DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked her ...

Most people with diabetes should test their blood sugar (or blood glucose) levels regularly. Knowing the results lets you adjust your strategy for keeping the disease in check. Research shows that in ...

Mean corpuscular hemoglobin concentration (MCHC) is a blood test that calculates the average concentration of hemoglobin in red blood cells in relation to their total volume. Low MCHC values may ...

The way we shop, do our banking, watch TV and listen to music is unrecognisable from 30 years ago – yet as a doctor, the way I do tests, treat patients and predict their outcomes is stuck in the 1990s ...

A D-dimer test is a lab test that helps diagnose blood clotting conditions. The test measures the levels of a protein fragment that remains in your blood after multiple blood clots break down. A high ...

Over 20% of people with the Duffy null variant are wrongly labelled ‘abnormal’, by current blood test ranges, leading to ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

Blood tests are a simple and practical tool for understanding your health and guiding your care. Different types of blood ...