Betahydroxybutyrate
23 days
Enzymatic Assay (EZA), Gas Chromatography (GC), Headspace Gas Chromatography (GC)
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Measures multiple ketones (acetone, acetoacetate, beta-hydroxybutyrate). Evaluates diabetic ketoacidosis.
Serum or Plasma
4 mL
Red-top tube or lavender-top (EDTA) tube.
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Promptly centifuge and separate Serum or Plasma into a plastic transfer tube AND freeze.
| Temperature | Period |
|---|---|
| Frozen | 1 month |