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Should one give sample empty stomach or can have breakfast for chromogranin A test?
4Doctors Answered
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No fasting is required.
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YESSOMEWHATNO
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Its okay to give anytime.
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YESSOMEWHATNO
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Any time.
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YESSOMEWHATNO
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Patient Preparation: there is no need to fast prior to sample collection. Specimen preparation: either serum or tissue is used as a specimen for Chromogranin A. The specimen can be either refrigerated or frozen. The stability lasts for 2 weeks and 6 weeks for refrigerated and frozen specimens, respectively.
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