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Test Code BAPS Bile Acid Profile, Serum

Specimen Required

Patient Preparation: Patient must be fasting for 12 to 14 hours.

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Useful For

Evaluating the enterohepotic cycle consisting of the biliary system, intestine, portal circulation, and hepatocytes


Researcher in need of free and conjugated values of all 20 bile acid species as well as total bile acid

Method Name

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

Reporting Name

Bile Acid Profile, S

Specimen Type


Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 90 days
  Ambient  90 days
  Frozen  90 days

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK




Nonfasting specimen or plasma

Reference Values


Normal (nmol/mL)

Chenodeoxycholic acid


Cholic acid


Deoxycholic acid


Dihydroxycholestanoic acid


Glycochenodeoxycholic acid


Glycocholic acid


Glycodeoxycholic acid


Glycohyodeoxycholic acid


Glycolithocholic acid


Glycoursodeoxycholic acid


Hyodeoxycholic acid


Lithocholic acid


Taurochenodeoxycholic acid


Taurocholic acid


Taurodeoxycholic acid


Taurohyodeoxycholic acid


Taurolithocholic acid


Tauroursodeoxycholic acid


Trihydroxycholestanoic acid


Ursodeoxycholic acid


Total bile acids


Day(s) and Time(s) Performed

Monday through Friday; 8 a.m.

Analytic Time

2 days (not reported on Saturday or Sunday)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
BAPS Bile Acid Profile, S In Process


Result ID Test Result Name Result LOINC Value
35802 Chenodeoxycholic acid In Process
35801 Cholic acid In Process
35803 Deoxycholic acid In Process
35819 Dihydroxycholestanoic acid 53479-2
35808 Glycochenodeoxycholic acid In Process
35807 Glycocholic acid In Process
35809 Glycodeoxycholic acid In Process
35811 Glycohyodeoxycholic acid In Process
35812 Glycolithocholic acid In Process
35810 Glycoursodeoxycholic acid In Process
35805 Hyodeoxycholic acid In Process
35806 Lithocholic acid In Process
35814 Taurochenodeoxycholic acid In Process
35813 Taurocholic acid In Process
35815 Taurodeoxycholic acid In Process
35817 Taurohyodeoxycholic acid In Process
35818 Taurolithocholic acid In Process
35816 Tauroursodeoxycholic acid In Process
35820 Trihydroxycholestanoic acid In Process
35804 Ursodeoxycholic acid In Process
35821 Total bile acids 14628-2