2 doctors weighed in:

Why might i need to retake a blood test?

2 doctors weighed in
Dr. Peter Sadow
Pathology
1 doctor agrees

In brief: Many reasons

Some blood tests require that you do them several times to get an idea of how your body is responding to certain internal or external cues (disease, exercise, medication, etc), and this is done over time.
Sometimes a blood test gives an unexpected result, and a repeat test is performed to assure accuracy of the test or require additional studies.

In brief: Many reasons

Some blood tests require that you do them several times to get an idea of how your body is responding to certain internal or external cues (disease, exercise, medication, etc), and this is done over time.
Sometimes a blood test gives an unexpected result, and a repeat test is performed to assure accuracy of the test or require additional studies.
Dr. Peter Sadow
Dr. Peter Sadow
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