What does reference range mean on test results?
What does reference range mean on test results?
Reference ranges are based on the normal test results of a large group of healthy people. The range helps show what a typical normal result looks like. But not everyone is typical. Sometimes, healthy people get results outside the reference range, while people with health problems can have results in the normal range.
What does a reference range negative mean?
For example, a healthy person’s test result would not detect COVID-19, so the reference range would be “negative” or “not detected.” If your test result shows a value of “positive” or “detected,” that falls outside of the reference range and would be considered abnormal or atypical.
Does reference range mean normal range?
Normal ranges are commonly referred to as reference ranges or reference intervals by labs and healthcare providers. Doctors use them to interpret their patients’ lab test results, help make a diagnosis, or decide on treatment [1, 2].
How do you determine reference range?
The lower reference limit would be the third number from the beginning (top) of the sorted list and the upper reference limit would be the third number from the (end) bottom. The reference range would be the central 95% of the data, which falls between the 3rd and 117th values.
What does reference range negative mean chlamydia?
Reference range This means that you can still carry a disease, but it has not shown up in the test. Or you test positive but do not have the disease. It is very rare for this to happen and testing too early could cause inaccurate results. This could leave one to believe they are STD free, when, they are not.
What does standard range negative mean for pregnancy?
A negative test result indicates that the patient is likely not pregnant. It is important to remember that tests performed too early can result in a false-negative result due to low levels of hCG. The test may need to be repeated in a week if there is a likely possibility of pregnancy.
How do you read chlamydia results?
Ask your healthcare provider what your test results mean for you. Normal results are negative, meaning that no chlamydia cells were found in your sample. A positive result means that chlamydia bacteria were found and that you are likely infected with the disease.
What is a positive chlamydia test?
What does a positive chlamydia test result mean? If the test is positive, the lab detected the bacteria that cause chlamydia. This means you have a chlamydia infection and will need treatment (antibiotic medications). You will also need to notify your sexual partners, so they can get tested, too.