Test Overview

Test Methodology

Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)

Test Usage

Bile acids are elevated in individuals with liver dysfunction, such as hepatitis, cirrhosis, and intrahepatic cholestasis of pregnancy.

Reference Range*

Cholic Acid: < or = 5.0 nmol/mL; Chenodoxycholic Acid: < or = 6.0 nmol/mL; Deoxycholic Acid: < or = 6.0 nmol/mL; Ursodeoxycholic Acid: < or = 2.0 nmol/mL; Total Bile Acids: < or = 19.0 nmol/mL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Do not use for the characterization of peroxisomal biogenesis disorders or inborn errors of metabolism.

Test Details

Days Test Performed

Tuesday

Analytic Time

2 - 7 days

Soft Order Code

MMLR

Synonyms

Laboratory

Sendout

Laboratory Reference

Mayo BAFS (62234)

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in red top tube from a fasting patient (overnight fast). Centrifuge, aliquot serum into a plastic vial and refrigerate (preferred) or freeze.

Special Handing

Fasting specimen.

Container

Normal Volume

0.5 mL serum

Minimum Volume

0.3 mL serum

Additional Information

Test sent to Mayo Medical Laboratories.

Billing Information

Fee Codes

CPT Code

82542

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