Explore and understand hundreds of common medical laboratory tests.

We can help make sense of this

We can help make sense of this

When your doctor orders a laboratory test and when those test results come back to you ”you're often in a state of confusion and concern. What does the test mean? Why did my doctor order it? How do I interpret these results? Is this a problem? Could there be a mistake?

We attempt to answer those questions for the most commonly performed lab tests. And we give you the chance to share thoughts and experiences and observations with others who've experienced the same test.

In a medical emergency, step away from this web site and call for emergency help. Remember, we're not doctors and we don't claim to be able to diagnose your condition. The information and services we provide or display here are merely intended to make you a more knowledgeable patient so that you can have smarter conversations with your actual health care providers.