Test Description |
Bile Acids, Total, Serum
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Synonym(s) |
Bile Acids, Total; Bile Salts, Total
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Test ID |
BILEA
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Performing Lab |
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General Information |
Useful for:
- An aid in the evaluation of liver function
- Evaluation of liver function changes before the formation of more advanced clinical signs of illness such as icterus
- Determination of hepatic dysfunction as a result of chemical and environmental injury
- Indicator of hepatic histological improvement in chronic hepatitis C patients responding to interferon treatment
- Indicator for intrahepatic cholestasis of pregnancy
- For evaluation of bowel dysfunction, order BA48F / Bile Acids, Bowel Dysfunction, 48 Hour, Feces
- For evaluation of patients treated with urso or cholate, order BAFS / Bile Acids, Fractionated and Total, Serum
- For evaluation of inborn errors of metabolism, order BAIPD / Bile Acids for Peroxisomal Disorders, Serum
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Container Type |
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, OR green-top (heparin) tube
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Specimen Type |
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Specimen Requirements |
- Preferred: Serum Gel
- Acceptable: Red Top
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Specimen Collection / Processing Instructions |
- 12-hour minimum fasting is required. Please note, infants and pregnant patients do not need to fast.
- Serum gel tubes should be centrifuged within 2 hours of collection
- Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
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Minimum Sample Volume |
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Stability |
- FREEZE
- Refrigerated: 3 days
- Frozen: 7 Days
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Unacceptable Specimen Conditions |
- Gross hemolysis
- Gross icterus
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Limitations |
- Serum total bile acids testing is generally not suitable for differentiation among the various types of liver diseases
- Total bile acids concentration is increased after meals; samples should be collected under fasting conditions.
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Methodology |
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Estimated TAT |
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Testing Schedule |
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Retention |
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CPT Code(s) |
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Reference Range |
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LOINC Code(s) |
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Additional Information |
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