At-home vitamin D tests may provide insights into your health. When followed by a consultation with a doctor, it can be a first step in managing a common nutritional deficiency. Vitamin D helps you ...

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 ...

Please provide your email address to receive an email when new articles are posted on . Most vitamin D tests are well calibrated, according to the CDC. With improved calibration, sample-specific ...

Rodney E. Rohde has received funding from the American Society of Clinical Pathologists, American Society for Clinical Laboratory Science, U.S. Department of Labor (OSHA), and other public and private ...

At-home testing kits make it easy, affordable, and accessible to learn more about your health without the hassle — no copays, doctors’ visits, long lines, and laboratory visits. Simply order your test ...

DEAR DR. ROACH: I recently turned 65 and changed primary doctors because my previous doctor did not accept Medicare patients. I very much liked my new doctor. He ordered a vitamin D test. However, ...