Barnstable County has a new tool for testing the safety of drinking water, and it will make weekend and holiday testing more ...

An at-home liver test can check for liver disease or help monitor an ongoing condition by measuring certain proteins, enzymes, and bilirubin in your blood. Taking this test can help shed light on the ...

Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

What Is the Immunohistochemistry Test? The immunohistochemistry (IHC) test can tell your cancer doctor (oncologist) whether you have certain types of breast cancer. Professionals in a lab check a ...

If a medical test result is inconclusive, the sample did not provide enough information to confirm a positive or negative result. A person may need another test. People can have various medical tests ...

The best at-home iron test is convenient, affordable, and accurate. We chose Allergy Test Iron Deficiency Test as the best at-home option. Learn more below. Share on Pinterest Having either ...

We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan ...

This story was originally published on May 17, 2015, as part of the "Hidden Errors" project. Everyone assumes lab results are correct. For Kenneth Drew, the results showed he had HIV in 2011. By the ...