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.

Test Limitations

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

Test Details
Days Set Up
Monday, Wednesday, Thursday, Friday
Analytic Time

2 - 7 days

Soft Order Code
MMLR
Synonyms
  • Deoxycholic Acid
  • Cholic Acid
  • Chenodeoxycholic Acid
  • Bile Salts, Fractionated
Laboratory
Sendout
Reference Laboratory
Mayo BAFS (62234)
Section
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

Fasting specimen.

Red Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
82542
Fee Code
AA222