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Why did you have a lab test?
There are many reasons for lab tests. You may feel fine and still have a test, such as when you have an annual physical exam.
You may have a test to:
- Find the cause of symptoms.
- Confirm a diagnosis.
- Screen for a disease.
- Find out how serious a disease is.
- Find out if a treatment is working.
- Make sure medicines are not causing a problem.
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