Collection Notes: Avoid hemolyzed specimens.
Clinical Utility: AST results are useful for the diagnosis and treatment of certain diseases of the liver and heart.
Serum (1 mL)
Ambient 3 Days
Refrigerated 7 Days
Frozen 30 Days
Lithium heparin (1 mL)
Ambient 3 Days
Refrigerated 7 Days
Frozen 30 Days
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