Test Catalog

Test ID: FBAC    
Bile Acids, Urine

Specimen Type Describes the specimen type validated for testing


Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Collection Container: Plastic urine container

Specimen Volume: 5-25 mL

Collection Instructions:

  1. Collect 5-25 mL random urine without preservative.
  2. Ship frozen in a plastic container.


NOTE: Submit with specimen:

1. Clinical history/Preliminary diagnosis


-Because URSO can mask detection of bile acid synthetic defects it is preferable for patients to be off Urso or Actigall for 5 days before sample collection.


-If possible, send Urine & Serum (ZW166 - Bile Acids Serum, referral lab code 9001004). Urine is analyzed for all patients - if Urine shows evidence of a metabolic abnormality, Serum will be tested. Urine and serum must be ordered separately as they are 2 separate tests with separate charges.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis NA
Lipemia NA
Icterus NA
Other Collection in or on diaper or cotton balls

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
UrineFrozen (preferred)
 Ambient 48 hours