A laboratory (lab) test checks a sample of your blood, urine (pee), or other body fluid or tissue to learn about your health. The sample is sent to a lab where health care professionals test it to see if it contains certain substances and, if so, how much.

2024年9月23日 · Blood test results give you a lot of data about your health. But what do the numbers mean, and how can you tell if something is off? Here’s how to read a blood test.

2024年11月7日 · Having trouble understanding blood test results and abbreviations? Ada Health's doctors provide clear, helpful explanations for your lab reports.

2024年2月24日 · Some lab tests answer yes-or-no questions like whether you’re pregnant or have certain kinds of infections. These results are usually written as “positive” or “negative.” In this case, positive...

2021年9月14日 · But lab results are a source of insight into your health, and knowing how to read them can be both useful and empowering. Most lab results posted to a patient portal include both absolute values and reference ranges. A reference range gives you a high value and low value — anything between them is typically considered normal.

2024年1月4日 · There are two basic kinds of medical test results: Thousands of medical tests are done to make diagnoses, measure the progression of a disease or condition, or monitor the effectiveness of treatment. But they all have some basic truths about what they mean and how they are best interpreted.

2024年4月30日 · Lab test results may be positive, negative, or inconclusive. Your doctor will discuss what your test results mean for you and your health. A positive test result means that the substance or condition being tested for was found. Positive test results also can mean that the amount of a substance being tested for is higher or lower than normal.

2017年12月13日 · Laboratory tests check a sample of your blood, urine, or body tissues. A technician or your doctor analyzes the test samples to see if your results fall within the normal range. The tests use a range because what is normal differs from person to person.

Test results may help make a diagnosis in symptomatic patients (diagnostic testing) or identify occult disease in asymptomatic patients (screening). If the tests were appropriately ordered on the basis of the clinical presentation, any results should assist in ruling in or out possible diagnoses.