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...Department of state health services south texas laboratory test chemistry name t b panel patient preparation fasting is not required preferable draw with in sitting position specimen requirement serum ml special timing none for collection preservative or sst tube preferred gold red gray tiger top anticoagulant transportation avoid vigorous handling hemolysis requirements storage separate from cells promptly protect light transport to dark container if delay expected stable hours refrigerated at c requisition f a submission form september and stability instructions tubes blood are be kept closed all times vertical it recommended that the plasma physically separated contact within two time should remain room temperature longer than assays completed stored sample beyond samples frozen thawed only once analyte deterioration may occur repeatedly hepatic lipid overnight fast minimum morning best reflection current can anytime concern levels comprehensive non acceptable value period lipids pa...