14 days
High-pressure liquid chromatography/tandem mass spectrometry (HPLC/MS-MS)
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Measures individual and total bile acids. Used in diagnosing intrahepatic cholestasis of pregnancy or liver disease.
Serum (preferred) or Plasma
1 mL
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (sodium heparin) 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.
Serum/plasma must be separated from cells within two hours of venipuncture. Transfer serum/plasma to a plastic transport tube before freezing.
| Temperature | Period |
|---|---|
| Room Temperature | 1 day |
| Refrigerated | 3 days |
| Frozen | 14 Days |
| Freeze/thaw cycles | stable x6 |