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 Set Up
Monday - Friday
Analytic Time

2 - 7 days

Soft Order Code
  • Deoxycholic Acid
  • Cholic Acid
  • Chenodeoxycholic Acid
  • Bile Salts, Fractionated
Reference Laboratory
Mayo BAFS (62234)
Special Testing
Specimen Requirements
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 Handling

12-14 hr fasting specimen.

Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum
Additional Information

Test sent to Mayo Medical Laboratories.

CPT Code
Fee Code