Tests Page 347

More in Tests

  1. Do You Need to Fast for a Lipid Panel?

    Fasting before a lipid panel is no longer required for most people. Here’s what the current guidelines say and when it still matters.

    By Joy Mahoney
  2. How to Get Cologuard for Colon Cancer Screening

    Learn who qualifies for Cologuard, how to get a prescription, what the test costs, and what your results mean for colon cancer screening.

    By Margaret Salazar
  3. How Is Cancer Staged? The TNM System Explained

    Learn how doctors use the TNM system to stage cancer, what stages 0–IV mean, and how staging shapes treatment decisions.

    By Carolyn Gonzalez
  4. What Is an A1C Test and What Do the Results Mean?

    Learn what the A1C test measures, how to understand your results, and when the numbers might not tell the whole story.

    By Amy Pierce
  5. How Is A1C Determined? The Science Behind the Test

    Learn how your A1C test works, from glucose bonding to red blood cells to what happens in the lab and what your results actually mean.

    By Amy Pierce
  6. What Is the BBT Test? Basal Body Temperature Explained

    BBT tracking uses your resting temperature to pinpoint ovulation. Learn how it works, how accurate it is, and when doctors find it useful.

    By Michele Akande
  7. What Are Blood Cultures? Purpose, Procedure & Results

    Blood cultures detect bacteria or fungi in the bloodstream. Learn why they’re ordered, how the draw works, and what positive results mean for treatment.

    By Candace Graves
  8. What Is a Breast Ultrasound? How It Works & What to Expect

    Learn how breast ultrasound works, why doctors order it, and what the exam feels like — including how to read your results.

    By Erin Wilkerson
  9. How Is IBD Diagnosed: From Blood Tests to Colonoscopy

    Diagnosing IBD involves several steps, from blood and stool tests to colonoscopy and imaging. Here’s what each test looks for and why it matters.

    By James Schmidt
  10. How Is Adenomyosis Diagnosed: Ultrasound, MRI & More

    Learn how doctors diagnose adenomyosis using ultrasound, MRI, and other tools, and why getting an accurate answer can take time.

    By Tina Hammond
  11. What Is an NT Scan? Purpose, Procedure & Results

    An NT scan measures fluid at the back of your baby’s neck to screen for chromosomal conditions. Learn what the results mean and what comes next.

    By Mariana Vargas
  12. What Do Triglycerides Measure and What the Numbers Mean

    Triglyceride tests measure fat in your blood, and your results can say a lot about heart health. Here’s what the numbers actually mean.

    By Holly Aziz
  13. How to Use Dexcom: Setup, Sensors, and Alerts

    A practical guide to using your Dexcom CGM, from placing the sensor to reading data and getting accurate results.

    By Sergio Ayala
  14. How to Calculate GCS and Interpret the Results

    Learn how to calculate the Glasgow Coma Scale using its three components, interpret the total score, and avoid common errors that can skew results.

    By Robyn Nakamura