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Bile Acids, Total, Serum

Important Note

Please note: fasting is not required for total bile acid measurement in pregnant women. If a non-fasting specimen is used, results should not be interpreted in the context of a fasting reference interval.

Additional Codes

LAB3946

Specimen Type

Serum


Ordering Guidance


This test is for evaluation of hepatobiliary dysfunction.

 

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.



Specimen Required


Patient Preparation: Patient must be fasting for 12 hours. Infants and pregnant patients do not need to fast.

Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and serum aliquoted into plastic vial within 2 hours of collection.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  24 hours

Reference Values

≤10 mcmol/L

 

Reference interval applies to fasting total bile acid concentrations.

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Specimen Retention Time

1 week

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82239

LOINC Code Information

Test ID Test Order Name Order LOINC Value
BILEA Bile Acids, Total, S 14628-2

 

Result ID Test Result Name Result LOINC Value
BILEA Bile Acids, Total, S 14628-2

Forms

If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request (T728) with the specimen.